Shareholders' Equity - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions		1 Months Ended					12 Months Ended			23 Months Ended
	Feb. 06, 2025	Feb. 19, 2026	Feb. 28, 2025	Jul. 31, 2024	Jan. 31, 2024	Apr. 30, 2016	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2025	Jan. 19, 2024
Accumulated Other Comprehensive Income (Loss) [Line Items]
Proceeds from issuance of preferred stock, net of issuance costs							$ 743	$ 2,323	$ 0
Preferred stock cash dividend							$ 226	$ 185	$ 122
Cash dividends declared (in USD per share)							$ 3.20	$ 2.90	$ 2.64
Subsequent Event
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cash dividends declared (in USD per share)		$ 0.84
2024 Share Repurchase Program
Accumulated Other Comprehensive Income (Loss) [Line Items]
Amount of common stock authorized for repurchase											$ 5,000
Total acquired							$ 1,200	$ 1,300		$ 2,500
Series I Preferred Stock, Depository Share
Accumulated Other Comprehensive Income (Loss) [Line Items]
Shares issued (in shares)					1,500,000
Liquidation preference per share (USD per share)					$ 1,000
Preferred dividends declared (USD per share)							$ 67.00	$ 58.63
Series I Preferred Stock, Depository Share | Subsequent Event
Accumulated Other Comprehensive Income (Loss) [Line Items]
Preferred dividends declared (USD per share)		16.75
Series I Preferred Stock
Accumulated Other Comprehensive Income (Loss) [Line Items]
Ownership Interest Per Depositary Share					1.00%
Liquidation preference per share (USD per share)					$ 100,000
Per annum dividend rate					6.70%
Preferred dividends declared (USD per share)							$ 6,700	$ 5,863
Preferred stock cash dividend							$ 100	$ 88
Series I Preferred Stock | Subsequent Event
Accumulated Other Comprehensive Income (Loss) [Line Items]
Preferred dividends declared (USD per share)		$ 1,675
Preferred stock cash dividend		$ 25
Series J Preferred Stock, Depository Share
Accumulated Other Comprehensive Income (Loss) [Line Items]
Shares issued (in shares)				850,000
Liquidation preference per share (USD per share)				$ 1,000
Preferred dividends declared (USD per share)							$ 67.00	$ 26.43
Series J Preferred Stock, Depository Share | Subsequent Event
Accumulated Other Comprehensive Income (Loss) [Line Items]
Preferred dividends declared (USD per share)		$ 16.75
Series J Preferred Stock
Accumulated Other Comprehensive Income (Loss) [Line Items]
Ownership Interest Per Depositary Share				1.00%
Liquidation preference per share (USD per share)				$ 100,000
Per annum dividend rate				6.70%
Preferred dividends declared (USD per share)							$ 6,700	$ 2,643
Preferred stock cash dividend							$ 57	$ 22
Series J Preferred Stock | Subsequent Event
Accumulated Other Comprehensive Income (Loss) [Line Items]
Preferred dividends declared (USD per share)		$ 1,675
Preferred stock cash dividend		$ 14
Series K Preferred Stock, Depository Share
Accumulated Other Comprehensive Income (Loss) [Line Items]
Shares issued (in shares)			750,000
Liquidation preference per share (USD per share)	$ 1,000		$ 1,000
Preferred dividends declared (USD per share)							$ 55.36	$ 0
Series K Preferred Stock, Depository Share | Subsequent Event
Accumulated Other Comprehensive Income (Loss) [Line Items]
Preferred dividends declared (USD per share)		$ 16.13
Series K Preferred Stock
Accumulated Other Comprehensive Income (Loss) [Line Items]
Shares issued (in shares)	750,000
Ownership Interest Per Depositary Share	1.00%		1.00%
Liquidation preference per share (USD per share)	$ 100,000		$ 100,000
Proceeds from issuance of preferred stock, net of issuance costs	$ 743
Per annum dividend rate			6.45%
Preferred dividends declared (USD per share)							$ 5,536	$ 0
Preferred stock cash dividend							$ 42	$ 0
Series K Preferred Stock | Subsequent Event
Accumulated Other Comprehensive Income (Loss) [Line Items]
Preferred dividends declared (USD per share)		$ 1,613
Preferred stock cash dividend		$ 12
Series G Preferred Stock
Accumulated Other Comprehensive Income (Loss) [Line Items]
Ownership Interest Per Depositary Share						0.025%
Liquidation preference per share (USD per share)						$ 100,000
Per annum dividend rate						5.35%
Preferred dividends declared (USD per share)							$ 5,350	$ 5,350
Preferred stock cash dividend							$ 27	$ 27
Series G Preferred Stock | Subsequent Event
Accumulated Other Comprehensive Income (Loss) [Line Items]
Preferred dividends declared (USD per share)		$ 1,338
Preferred stock cash dividend		$ 7
Series G Preferred Stock, Depository Share
Accumulated Other Comprehensive Income (Loss) [Line Items]
Shares issued (in shares)						20,000,000
Liquidation preference per share (USD per share)						$ 25
Preferred dividends declared (USD per share)							$ 1.34	$ 1.34
Series G Preferred Stock, Depository Share | Subsequent Event
Accumulated Other Comprehensive Income (Loss) [Line Items]
Preferred dividends declared (USD per share)		$ 0.33