Revenues and Segment Information, Contract Balances (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting [Abstract]
Receivables from contracts with customers (see Note 3)	$ 7,209	$ 7,189
Contract liabilities, included in accrued expenses (see Note 8)	40	129
Contract Balances (Textual)
Revenue recognized that was included in contract liabilities as of prior year end	$ 127	$ 76	$ 47