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| <dei:EntityTaxIdentificationNumber contextRef="ieadae23754dd4a8fbff0c0c9fc8e19c4_D20210510-20210510" id="id3VybDovL2RvY3MudjEvZG9jOmIxMDg0ZTJiNWE1ZDQxMzY4ZmIyNjdkZDI5MjExY2U4L3NlYzpiMTA4NGUyYjVhNWQ0MTM2OGZiMjY3ZGQyOTIxMWNlOF8xL2ZyYWc6ZWRlMDBhZGYzNTYwNDhlYjgwZTE1YjIzZDhiZDMyNmIvdGFibGU6MThhNzc0OThhODIzNDA1M2I5NGFmNDhkZmFjNzVhYjcvdGFibGVyYW5nZToxOGE3NzQ5OGE4MjM0MDUzYjk0YWY0OGRmYWM3NWFiN18yLTMtMS0xLTA_de2ed803-107c-4589-9c7d-a042c45002e6"> 20-2777218 </dei:EntityTaxIdentificationNumber> |
| <dei:EntityIncorporationStateCountryCode contextRef="ife8a6d1dfb934cc4ade6a18274e83141_D20210211-20210211" id="id3VybDovL2RvY3MudjEvZG9jOmIxMDg0ZTJiNWE1ZDQxMzY4ZmIyNjdkZDI5MjExY2U4L3NlYzpiMTA4NGUyYjVhNWQ0MTM2OGZiMjY3ZGQyOTIxMWNlOF8xL2ZyYWc6ZWRlMDBhZGYzNTYwNDhlYjgwZTE1YjIzZDhiZDMyNmIvdGV4dHJlZ2lvbjplZGUwMGFkZjM1NjA0OGViODBlMTViMjNkOGJkMzI2Yl8xMDQw_8d395163-2e56-43f7-a233-a4d56a940f92"> DE </dei:EntityIncorporationStateCountryCode> |
| <dei:EntityAddressAddressLine1 contextRef="ife8a6d1dfb934cc4ade6a18274e83141_D20210211-20210211" id="id3VybDovL2RvY3MudjEvZG9jOmIxMDg0ZTJiNWE1ZDQxMzY4ZmIyNjdkZDI5MjExY2U4L3NlYzpiMTA4NGUyYjVhNWQ0MTM2OGZiMjY3ZGQyOTIxMWNlOF8xL2ZyYWc6ZWRlMDBhZGYzNTYwNDhlYjgwZTE1YjIzZDhiZDMyNmIvdGV4dHJlZ2lvbjplZGUwMGFkZjM1NjA0OGViODBlMTViMjNkOGJkMzI2Yl8xMDM0_7fb8c0e9-2526-46d3-8e94-f85f733034e6"> 550 South Tryon Street </dei:EntityAddressAddressLine1> |
| <dei:EntityAddressCityOrTown contextRef="ife8a6d1dfb934cc4ade6a18274e83141_D20210211-20210211" id="id3VybDovL2RvY3MudjEvZG9jOmIxMDg0ZTJiNWE1ZDQxMzY4ZmIyNjdkZDI5MjExY2U4L3NlYzpiMTA4NGUyYjVhNWQ0MTM2OGZiMjY3ZGQyOTIxMWNlOF8xL2ZyYWc6ZWRlMDBhZGYzNTYwNDhlYjgwZTE1YjIzZDhiZDMyNmIvdGV4dHJlZ2lvbjplZGUwMGFkZjM1NjA0OGViODBlMTViMjNkOGJkMzI2Yl8xMDQx_2e961bce-d14c-407b-86bf-8c9839203ffd"> Charlotte </dei:EntityAddressCityOrTown> |
| <dei:EntityAddressStateOrProvince contextRef="ife8a6d1dfb934cc4ade6a18274e83141_D20210211-20210211" id="id3VybDovL2RvY3MudjEvZG9jOmIxMDg0ZTJiNWE1ZDQxMzY4ZmIyNjdkZDI5MjExY2U4L3NlYzpiMTA4NGUyYjVhNWQ0MTM2OGZiMjY3ZGQyOTIxMWNlOF8xL2ZyYWc6ZWRlMDBhZGYzNTYwNDhlYjgwZTE1YjIzZDhiZDMyNmIvdGV4dHJlZ2lvbjplZGUwMGFkZjM1NjA0OGViODBlMTViMjNkOGJkMzI2Yl8xMDM1_8c48f8ec-1609-42a2-bc3a-9b34a8970427"> NC </dei:EntityAddressStateOrProvince> |
| <dei:EntityAddressPostalZipCode contextRef="ife8a6d1dfb934cc4ade6a18274e83141_D20210211-20210211" id="id3VybDovL2RvY3MudjEvZG9jOmIxMDg0ZTJiNWE1ZDQxMzY4ZmIyNjdkZDI5MjExY2U4L3NlYzpiMTA4NGUyYjVhNWQ0MTM2OGZiMjY3ZGQyOTIxMWNlOF8xL2ZyYWc6ZWRlMDBhZGYzNTYwNDhlYjgwZTE1YjIzZDhiZDMyNmIvdGV4dHJlZ2lvbjplZGUwMGFkZjM1NjA0OGViODBlMTViMjNkOGJkMzI2Yl8xMDQy_4d524eb2-ff5e-4cc1-ac04-ec817256ee02"> 28202-1803 </dei:EntityAddressPostalZipCode> |
| <dei:CityAreaCode contextRef="ife8a6d1dfb934cc4ade6a18274e83141_D20210211-20210211" id="id3VybDovL2RvY3MudjEvZG9jOmIxMDg0ZTJiNWE1ZDQxMzY4ZmIyNjdkZDI5MjExY2U4L3NlYzpiMTA4NGUyYjVhNWQ0MTM2OGZiMjY3ZGQyOTIxMWNlOF8xL2ZyYWc6ZWRlMDBhZGYzNTYwNDhlYjgwZTE1YjIzZDhiZDMyNmIvdGV4dHJlZ2lvbjplZGUwMGFkZjM1NjA0OGViODBlMTViMjNkOGJkMzI2Yl8xMDM2_1bc8527e-3015-47fa-8293-878ee5356ec7"> 704- </dei:CityAreaCode> |
| <dei:LocalPhoneNumber contextRef="ife8a6d1dfb934cc4ade6a18274e83141_D20210211-20210211" id="id3VybDovL2RvY3MudjEvZG9jOmIxMDg0ZTJiNWE1ZDQxMzY4ZmIyNjdkZDI5MjExY2U4L3NlYzpiMTA4NGUyYjVhNWQ0MTM2OGZiMjY3ZGQyOTIxMWNlOF8xL2ZyYWc6ZWRlMDBhZGYzNTYwNDhlYjgwZTE1YjIzZDhiZDMyNmIvdGV4dHJlZ2lvbjplZGUwMGFkZjM1NjA0OGViODBlMTViMjNkOGJkMzI2Yl8xMDM3_34e316e9-8368-4603-8d3a-23a5e2d728c0"> 382-3853 </dei:LocalPhoneNumber> |
| <dei:WrittenCommunications contextRef="ieadae23754dd4a8fbff0c0c9fc8e19c4_D20210510-20210510" id="id3VybDovL2RvY3MudjEvZG9jOmIxMDg0ZTJiNWE1ZDQxMzY4ZmIyNjdkZDI5MjExY2U4L3NlYzpiMTA4NGUyYjVhNWQ0MTM2OGZiMjY3ZGQyOTIxMWNlOF8xL2ZyYWc6ZWRlMDBhZGYzNTYwNDhlYjgwZTE1YjIzZDhiZDMyNmIvdGFibGU6MzlkOTBiYjIyY2I1NDBkZjk5OWYxM2Q5ZDFlZWE3YWIvdGFibGVyYW5nZTozOWQ5MGJiMjJjYjU0MGRmOTk5ZjEzZDlkMWVlYTdhYl8wLTAtMS0xLTA_f9934be1-418e-4ce5-b1ee-25daee056c5d"> false </dei:WrittenCommunications> |
| <dei:SolicitingMaterial contextRef="ieadae23754dd4a8fbff0c0c9fc8e19c4_D20210510-20210510" id="id3VybDovL2RvY3MudjEvZG9jOmIxMDg0ZTJiNWE1ZDQxMzY4ZmIyNjdkZDI5MjExY2U4L3NlYzpiMTA4NGUyYjVhNWQ0MTM2OGZiMjY3ZGQyOTIxMWNlOF8xL2ZyYWc6ZWRlMDBhZGYzNTYwNDhlYjgwZTE1YjIzZDhiZDMyNmIvdGFibGU6MzlkOTBiYjIyY2I1NDBkZjk5OWYxM2Q5ZDFlZWE3YWIvdGFibGVyYW5nZTozOWQ5MGJiMjJjYjU0MGRmOTk5ZjEzZDlkMWVlYTdhYl8xLTAtMS0xLTA_b10fbfb8-13b1-4b45-8abc-37afccfedced"> false </dei:SolicitingMaterial> |
| <dei:PreCommencementTenderOffer contextRef="ieadae23754dd4a8fbff0c0c9fc8e19c4_D20210510-20210510" id="id3VybDovL2RvY3MudjEvZG9jOmIxMDg0ZTJiNWE1ZDQxMzY4ZmIyNjdkZDI5MjExY2U4L3NlYzpiMTA4NGUyYjVhNWQ0MTM2OGZiMjY3ZGQyOTIxMWNlOF8xL2ZyYWc6ZWRlMDBhZGYzNTYwNDhlYjgwZTE1YjIzZDhiZDMyNmIvdGFibGU6MzlkOTBiYjIyY2I1NDBkZjk5OWYxM2Q5ZDFlZWE3YWIvdGFibGVyYW5nZTozOWQ5MGJiMjJjYjU0MGRmOTk5ZjEzZDlkMWVlYTdhYl8yLTAtMS0xLTA_a0d4043a-cbb1-4aff-af9c-c9271637db2b"> false </dei:PreCommencementTenderOffer> |
| <dei:PreCommencementIssuerTenderOffer contextRef="ieadae23754dd4a8fbff0c0c9fc8e19c4_D20210510-20210510" id="id3VybDovL2RvY3MudjEvZG9jOmIxMDg0ZTJiNWE1ZDQxMzY4ZmIyNjdkZDI5MjExY2U4L3NlYzpiMTA4NGUyYjVhNWQ0MTM2OGZiMjY3ZGQyOTIxMWNlOF8xL2ZyYWc6ZWRlMDBhZGYzNTYwNDhlYjgwZTE1YjIzZDhiZDMyNmIvdGFibGU6MzlkOTBiYjIyY2I1NDBkZjk5OWYxM2Q5ZDFlZWE3YWIvdGFibGVyYW5nZTozOWQ5MGJiMjJjYjU0MGRmOTk5ZjEzZDlkMWVlYTdhYl8zLTAtMS0xLTA_609b1b27-5c6c-4242-be64-f090d49d7488"> false </dei:PreCommencementIssuerTenderOffer> |
| <dei:Security12bTitle contextRef="iabb82ba6b4f84196b716eedbd761c792_D20210510-20210510" id="id3VybDovL2RvY3MudjEvZG9jOmIxMDg0ZTJiNWE1ZDQxMzY4ZmIyNjdkZDI5MjExY2U4L3NlYzpiMTA4NGUyYjVhNWQ0MTM2OGZiMjY3ZGQyOTIxMWNlOF8xL2ZyYWc6ZWRlMDBhZGYzNTYwNDhlYjgwZTE1YjIzZDhiZDMyNmIvdGFibGU6Njc1ZjJkODU0MWY2NDQ2OWFlM2NhZDI2MmI4YTBhMDMvdGFibGVyYW5nZTo2NzVmMmQ4NTQxZjY0NDY5YWUzY2FkMjYyYjhhMGEwM18yLTItMS0xLTA_0373533e-dd25-4553-8ebc-1249830a8563"> Common Stock, $0.001 par value </dei:Security12bTitle> |
| <dei:TradingSymbol contextRef="iabb82ba6b4f84196b716eedbd761c792_D20210510-20210510" id="id3VybDovL2RvY3MudjEvZG9jOmIxMDg0ZTJiNWE1ZDQxMzY4ZmIyNjdkZDI5MjExY2U4L3NlYzpiMTA4NGUyYjVhNWQ0MTM2OGZiMjY3ZGQyOTIxMWNlOF8xL2ZyYWc6ZWRlMDBhZGYzNTYwNDhlYjgwZTE1YjIzZDhiZDMyNmIvdGFibGU6Njc1ZjJkODU0MWY2NDQ2OWFlM2NhZDI2MmI4YTBhMDMvdGFibGVyYW5nZTo2NzVmMmQ4NTQxZjY0NDY5YWUzY2FkMjYyYjhhMGEwM18yLTQtMS0xLTA_b5bca034-51a6-4a4d-b034-32e0462c2500"> DUK </dei:TradingSymbol> |
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