Total Equity - Dividends (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Preferred Stock Dividends
Preferred stock dividends declared	$ 156	$ 158
Dividends declared per common share (USD per share)	$ 1.00	$ 0.925
Common stock dividends	$ 1,589	$ 1,492
Series A
Preferred Stock Dividends
Preferred stock dividend declared (USD per share)	$ 290	$ 329
Preferred stock dividends declared	$ 13	$ 14
Series C
Preferred Stock Dividends
Preferred stock dividend declared (USD per share)	$ 25	$ 25
Preferred stock dividends declared	$ 13	$ 13
Series E
Preferred Stock Dividends
Preferred stock dividend declared (USD per share)	$ 445	$ 445
Preferred stock dividends declared	$ 15	$ 15
Series F
Preferred Stock Dividends
Preferred stock dividend declared (USD per share)	$ 430	$ 430
Preferred stock dividends declared	$ 15	$ 15
Series I
Preferred Stock Dividends
Preferred stock dividend declared (USD per share)	$ 398	$ 398
Preferred stock dividends declared	$ 16	$ 16
Series K
Preferred Stock Dividends
Preferred stock dividend declared (USD per share)	$ 366	$ 366
Preferred stock dividends declared	$ 15	$ 15
Series L
Preferred Stock Dividends
Preferred stock dividend declared (USD per share)	$ 305	$ 305
Preferred stock dividends declared	$ 6	$ 6
Series M
Preferred Stock Dividends
Preferred stock dividend declared (USD per share)	$ 29	$ 29
Preferred stock dividends declared	$ 12	$ 12
Series N
Preferred Stock Dividends
Preferred stock dividend declared (USD per share)	$ 1,806	$ 1,967
Preferred stock dividends declared	$ 5	$ 6
Series O
Preferred Stock Dividends
Preferred stock dividend declared (USD per share)	$ 266	$ 266
Preferred stock dividends declared	$ 13	$ 14
Series P
Preferred Stock Dividends
Preferred stock dividend declared (USD per share)	$ 406	$ 406
Preferred stock dividends declared	$ 16	$ 16
Series Q
Preferred Stock Dividends
Preferred stock dividend declared (USD per share)	$ 414	$ 414
Preferred stock dividends declared	$ 17	$ 16

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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-SubTopic 405
-Topic 942
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477787/942-405-45-2

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