Segments and Geographic Information Segment and Geographic Information (Adjusted Pre-Tax Contributions & Reconcilliation of Income Before Income Taxes) (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment Reporting Information Adjusted Pretax Contribution	$ 1,567	$ 1,418	$ 1,247
Reconciliation To Income From Continuing Operations Before Taxes
INCOME (LOSS) FROM CONTINUING OPERATIONS BEFORE TAXES AND EQUITY IN EARNINGS OF AFFILIATES	(169)	(1,064)	488
Net equity in losses of affiliates	(71)	(24)	(123)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	(96)	(644)	192
Pre-tax contribution	(336)	(444)	173
Unrealized derivative and equity securities losses (gains)	(128)	1	(3)
Unrealized foreign currency losses (gains)	(42)	(14)	10
Disposition/acquisition losses	(40)	(861)	(112)
Impairment losses	(1,658)	(1,153)	(928)
Loss on extinguishment of debt	(35)	(91)	(223)
Gain (Loss) on Contract Termination	0	(256)	(182)
Operating Segments \| US and Utilities SBU
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment Reporting Information Adjusted Pretax Contribution	570	660	505
Reconciliation To Income From Continuing Operations Before Taxes
Net equity in losses of affiliates	54	83	(8)
Operating Segments \| South America
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment Reporting Information Adjusted Pretax Contribution	573	423	534
Reconciliation To Income From Continuing Operations Before Taxes
Net equity in losses of affiliates	2	0	(80)
Operating Segments \| MCAC SBU
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment Reporting Information Adjusted Pretax Contribution	559	314	287
Reconciliation To Income From Continuing Operations Before Taxes
Net equity in losses of affiliates	(14)	(23)	(11)
Operating Segments \| EURASIA [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment Reporting Information Adjusted Pretax Contribution	192	196	177
Reconciliation To Income From Continuing Operations Before Taxes
Net equity in losses of affiliates	0	2	4
Intersegment Eliminations
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment Reporting Information Adjusted Pretax Contribution	(1)	7	0
Corporate, Non-Segment [Member] \| Corporate and Other
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment Reporting Information Adjusted Pretax Contribution	(326)	(182)	(256)
Reconciliation To Income From Continuing Operations Before Taxes
Net equity in losses of affiliates	$ (113)	$ (86)	$ (28)

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Amount before tax of foreign currency transaction unrealized gain (loss) recognized in the income statement.

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Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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