Investments In and Advances To Affiliates - Summarized Financial Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Schedule of Equity Method Investments [Line Items]
Revenue	$ 12,668	$ 12,617	$ 11,141
Operating margin	2,504	2,548	2,711
Net loss	(182)	(505)	(951)
Assets, Current	6,649	7,643	5,356
Liabilities, Current	9,731	6,491
Liabilities, Noncurrent	27,619	26,047
Stockholders' Equity Attributable to Noncontrolling Interest	3,497	2,067
Stockholders' Equity Attributable to Parent	2,488	2,437
Undistributed Earnings Of Minority Owned Affiliates Included In Retained Earnings	325
Distributions Received From Minority Owned Affiliates	5	47	25
Basis Difference Between Carrying Amount And Investment	118
Minority Owned Affiliates
Schedule of Equity Method Investments [Line Items]
Revenue	2,905	1,780	1,316
Operating margin	(28)	(361)	(53)
Net loss	(182)	(527)	(242)
Net Income (Loss) Attributable to Affiliates	(157)	(405)	(40)
Assets, Current	1,759	2,223
Assets, Noncurrent	7,569	7,522
Liabilities, Current	1,638	1,931
Liabilities, Noncurrent	4,085	4,040
Stockholders' Equity Attributable to Noncontrolling Interest	1,287	796
Stockholders' Equity Attributable to Parent	2,318	2,978
Majority Owned Affiliates
Schedule of Equity Method Investments [Line Items]
Revenue	1	1	1
Operating margin	(1)	(1)	(1)
Net loss	(1)	0	(3)
Net Income (Loss) Attributable to Affiliates	(1)	0	$ (3)
Assets, Current	117	125
Assets, Noncurrent	533	643
Liabilities, Current	114	118
Liabilities, Noncurrent	572	677
Stockholders' Equity Attributable to Noncontrolling Interest	(6)	(1)
Stockholders' Equity Attributable to Parent	$ (30)	$ (26)