Segments (Details) $ in Millions	3 Months Ended
	Mar. 31, 2022 USD ($) segment	Mar. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)
Segment Reporting Information [Line Items]
Total Revenue	$ 2,852	$ 2,635
Number of strategic business units | segment	4
Number of reportable segments | segment	4
Adjusted PTC
Adjusted Pretax Contribution	$ 207	247
Reconciliation To Income From Continuing Operations Before Taxes
Unrealized derivative losses (gains)	(41)	(69)
Unrealized foreign currency transaction losses (gains)	19	(6)
Disposition/acquisition losses (gains)	(9)	15
Impairment losses	(1)	(475)
Extinguishment of debt losses (gains)	(10)	(6)
Gain (Loss) on Contract Termination	0	(110)
Pretax contribution	165	(184)
Net equity in losses of affiliates	(33)	(30)
Less: Income (loss) from continuing operations before taxes, attributable to noncontrolling interests	66	163
Income (loss) from continuing operations before taxes and equity in earnings of affiliates	264	9
Assets
Total Assets	34,648		$ 32,963
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Total Revenue	(32)	(27)
Adjusted PTC
Adjusted Pretax Contribution	(5)	10
US and Utilities [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total Revenue	1,117	949
Adjusted PTC
Adjusted Pretax Contribution	57	44
Assets
Total Assets	17,305		16,512
MCAC [Member]
Segment Reporting Information [Line Items]
Total Revenue	566	535
MCAC [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total Revenue	566	535
Adjusted PTC
Adjusted Pretax Contribution	37	61
Assets
Total Assets	4,609		4,545
EURASIA [Member]
Segment Reporting Information [Line Items]
Total Revenue	368	270
EURASIA [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total Revenue	368	270
Adjusted PTC
Adjusted Pretax Contribution	65	51
Assets
Total Assets	3,495		3,466
Corporate Other And Other Eliminations [Member]
Segment Reporting Information [Line Items]
Total Revenue	(9)	(3)
Corporate Other And Other Eliminations [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total Revenue	23	24
Adjusted PTC
Adjusted Pretax Contribution	(75)	(7)
Assets
Total Assets	695		712
South American SBU
Segment Reporting Information [Line Items]
Total Revenue	810	884
South American SBU | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total Revenue	810	884
Adjusted PTC
Adjusted Pretax Contribution	128	$ 88
Assets
Total Assets	$ 8,544		$ 7,728