Equity - Stock Repurchase Program (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022	Feb. 16, 2023
Equity, Class of Treasury Stock
Payment for shares repurchased	$ 1,955	$ 1,470
Remaining share repurchase authorization amount	$ 4,800
December 2018 Stock Repurchase Authorization
Equity, Class of Treasury Stock
Increase to existing stock repurchase authorization			$ 5,000
Shares repurchased (in shares)	10	8
Payment for shares repurchased	$ 1,600	$ 1,100

Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21463-112644

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

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Balance Type:	debit
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