Borrowings and Other Secured Financings - Maturities and Terms of Secured Financings (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Original maturities of one year or less:
Next 12 months	$ 5,764	$ 3,691
Original maturities greater than one year:
2021		24,241
2022	14,197	22,209
2023	23,786	22,890
2024	29,166	21,727
2025	25,561	18,636
2026	24,026	22,042
Thereafter	110,627	81,643
Total	227,363	213,388
Secured Financings
Original maturities of one year or less:
Next 12 months	3,754	10,453
Original maturities greater than one year:
2021		1,655
2022	2,286	1,405
2023	1,804	279
2024	233	96
2025	39	38
2026	0	0
Thereafter	369	408
Total	$ 4,731	$ 3,881
Weighted average coupon at period end (as a percent)	0.70%	0.60%
Secured Financings \| Fixed Rate
Original maturities of one year or less:
Next 12 months	$ 0
Original maturities greater than one year:
2021
2022	14
2023	181
2024	0
2025	39
2026	0
Total	258
Secured Financings \| Variable Rate
Original maturities of one year or less:
Next 12 months	3,754
Original maturities greater than one year:
2021
2022	2,272
2023	1,623
2024	233
2025	0
2026	0
Total	$ 4,473
Weighted average coupon at period end (as a percent)	0.70%

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