Total Equity - Dividends (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Preferred Stock Dividends
Preferred stock dividends declared	$ 145	$ 147	$ 301	$ 305
Dividends declared per common share (USD per share)	$ 1.00	$ 0.925	$ 2.00	$ 1.85
Common stock dividends	$ 1,575	$ 1,478	$ 3,164	$ 2,970
Series A
Preferred Stock Dividends
Preferred stock dividend declared (USD per share)	$ 293	$ 330	$ 583	$ 659
Preferred stock dividends declared	$ 13	$ 15	$ 26	$ 29
Series C
Preferred Stock Dividends
Preferred stock dividend declared (USD per share)	$ 25	$ 25	$ 50	$ 50
Preferred stock dividends declared	$ 13	$ 13	$ 26	$ 26
Series E
Preferred Stock Dividends
Preferred stock dividend declared (USD per share)	$ 450	$ 450	$ 896	$ 896
Preferred stock dividends declared	$ 15	$ 16	$ 31	$ 31
Series F
Preferred Stock Dividends
Preferred stock dividend declared (USD per share)	$ 434	$ 434	$ 864	$ 864
Preferred stock dividends declared	$ 15	$ 14	$ 29	$ 29
Series I
Preferred Stock Dividends
Preferred stock dividend declared (USD per share)	$ 403	$ 403	$ 801	$ 801
Preferred stock dividends declared	$ 16	$ 16	$ 32	$ 32
Series K
Preferred Stock Dividends
Preferred stock dividend declared (USD per share)	$ 366	$ 366	$ 731	$ 731
Preferred stock dividends declared	$ 15	$ 14	$ 29	$ 29
Series L
Preferred Stock Dividends
Preferred stock dividend declared (USD per share)	$ 305	$ 305	$ 609	$ 609
Preferred stock dividends declared	$ 6	$ 6	$ 12	$ 12
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)	$ 1,794	$ 1,952	$ 3,600	$ 3,918
Preferred stock dividends declared	$ 5	$ 6	$ 11	$ 12
Series O
Preferred Stock Dividends
Preferred stock dividend declared (USD per share)	$ 266	$ 266	$ 531	$ 531
Preferred stock dividends declared	$ 14	$ 14	$ 28	$ 28
Series P
Preferred Stock Dividends
Preferred stock dividend declared (USD per share)	$ 406	$ 406	$ 813	$ 813
Preferred stock dividends declared	$ 16	$ 16	$ 32	$ 32
Series Q
Preferred Stock Dividends
Preferred stock dividend declared (USD per share)	$ 414	$ 414	$ 828	$ 828
Preferred stock dividends declared	$ 17	$ 17	$ 33	$ 33

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
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-Publisher FASB
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
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-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 405
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
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