v3.19.3.a.u2
Investments (Amortized Cost and Fair Value of Available-for-Sale Debt Securities by Contractual Maturity) (Details) - USD ($)
$ in Millions |
|
|
Schedule of Investments [Line Items] |
|
|
Due in one year or less, Amortized Cost |
$ 3,382
|
|
Due after one year through five years, Amortized Cost |
11,966
|
|
Due after five years through ten years, Amortized Cost |
8,307
|
|
Due after ten years, Amortized Cost |
3,437
|
|
Total debt securities - available-for-sale, Amortized Cost |
35,328
|
$ 32,240
|
Due in one year or less, Fair Value |
3,388
|
|
Due after one year through five years, Fair Value |
12,159
|
|
Due after five years through ten years, Fair Value |
8,643
|
|
Due after ten years, Fair Value |
3,531
|
|
Debt Securities, Available-for-sale |
36,094
|
31,898
|
Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, within One Year, Amortized Cost |
314
|
|
Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, within One Year, Fair Value |
314
|
|
Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Amortized Cost |
391
|
|
Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Fair Value |
392
|
|
Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Amortized Cost |
144
|
|
Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Fair Value |
144
|
|
Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, after 10 Years, Amortized Cost |
123
|
|
Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, after 10 Years, Fair Value |
125
|
|
Debt Securities, Held-to-maturity |
972
|
621
|
Debt Securities, Held-to-maturity, Fair Value |
975
|
620
|
U.S. Agency Mortgage-Backed Securities [Member] |
|
|
Schedule of Investments [Line Items] |
|
|
Mortgage-backed securities, Amortized Cost |
6,425
|
|
Total debt securities - available-for-sale, Amortized Cost |
6,425
|
4,947
|
Debt Securities, Available-for-sale |
6,528
|
4,852
|
Mortgage-backed securities, Fair Value |
6,528
|
|
Non-U.S. Agency Mortgage-Backed Securities [Member] |
|
|
Schedule of Investments [Line Items] |
|
|
Mortgage-backed securities, Amortized Cost |
1,811
|
|
Total debt securities - available-for-sale, Amortized Cost |
1,811
|
1,376
|
Debt Securities, Available-for-sale |
1,845
|
$ 1,358
|
Mortgage-backed securities, Fair Value |
$ 1,845
|
|
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