Stockholders' Equity - Schedule of Treasury Stock (Details) - USD ($) $ / shares in Units, $ in Millions	9 Months Ended	176 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022
Stockholders' Equity Note [Abstract]
Shares repurchased (in shares)	0	5,332,727	69,324,429
Average purchase price (in dollar per share)	$ 0	$ 150.02	$ 83.71
Shares repurchased (in $ millions)	$ 0	$ 800	$ 5,803
Aggregate Board of Directors repurchase authorizations during the period (in $ millions)	$ 0	$ 1,000	$ 6,866

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
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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