Segment Reporting Segment Assets (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Segment Assets	$ 37,736	$ 37,049	$ 35,698
Corporate Assets	5,260	5,569
Assets	$ 42,996	$ 42,618

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