Segment Reporting Segment Asset Reconciliation (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021	Sep. 30, 2021
Segment Reporting [Abstract]
Segment Assets	$ 36,139	$ 35,698	$ 36,240
Corporate Assets	4,512	6,646	4,882
Total Assets	$ 40,651	$ 42,344	$ 41,122

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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+ Details