Financial Statement Information Treasury Stock (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Oct. 25, 2022
Treasury Stock [Abstract]
Stock Repurchase Program, Authorized Amount	$ 2,500		$ 2,500		$ 3,500
Payments for Repurchase of Common Stock			872	$ 575
Purchase of treasury stock	$ (343)	$ (219)	$ (891)	$ (580)

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
-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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