Long-Term Debt - Schedule of Aggregate Maturities of Long-Term Debt Obligations (Details) - USD ($) $ in Millions		Dec. 31, 2023	Dec. 31, 2022
Debt Instrument
2024		$ 3,826
2025		2,506
2026		1,352
2027		1,823
2028		2,634
Thereafter		4,239
Total	[1]	16,380	$ 13,714
Parent Company
Debt Instrument
2024		2,250
2025		749
2026		0
2027		1,209
2028		2,047
Thereafter		3,853
Total		10,108	$ 9,331
Subsidiaries
Debt Instrument
2024		1,576
2025		1,757
2026		1,352
2027		614
2028		587
Thereafter		386
Total		$ 6,272

[1] Includes $55 and $17 of other short-term investments, $1,573 and $185 of portfolio loans and leases, $(28) and $(2) of ALLL, $10 and $2 of other assets, $14 and $9 of other liabilities and $1,409 and $118 of long-term debt from consolidated VIEs that are included in their respective captions above at December 31, 2023 and 2022, respectively. For further information, refer to Note 12.