Other Comprehensive Income (Loss) - Changes in AOCI Balances by Component (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Changes in AOCI balances by component (after-tax)
Balance, beginning of year	$ 1,567	$ 1,263
Total OCI, net of tax	29	0
Balance, end of year	1,645	1,245
AOCI, Net
Changes in AOCI balances by component (after-tax)
Balance, beginning of year	(366)	(417)
Other comprehensive income (loss) before reclassifications	33	2
Amounts reclassified from AOCI	(4)	(2)
Total OCI, net of tax	29	0
Balance, end of year	(337)	(417)
Foreign Currency Translation
Changes in AOCI balances by component (after-tax)
Balance, beginning of year	(299)	(261)
Other comprehensive income (loss) before reclassifications	29	3
Amounts reclassified from AOCI	0	0
Total OCI, net of tax	29	3
Balance, end of year	(270)	(258)
Ownership Share of Equity Method Investees’ OCI
Changes in AOCI balances by component (after-tax)
Balance, beginning of year	(56)	(54)
Other comprehensive income (loss) before reclassifications	1	(2)
Amounts reclassified from AOCI	0	0
Total OCI, net of tax	1	(2)
Balance, end of year	(55)	(56)
DB Plans
Changes in AOCI balances by component (after-tax)
Balance, beginning of year	(18)	(119)
Other comprehensive income (loss) before reclassifications	1	0
Amounts reclassified from AOCI	0	2
Total OCI, net of tax	1	2
Balance, end of year	(17)	(117)
Unrealized Gain (Loss) on Hedges
Changes in AOCI balances by component (after-tax)
Balance, beginning of year	7	17
Other comprehensive income (loss) before reclassifications	2	1
Amounts reclassified from AOCI	(4)	(4)
Total OCI, net of tax	(2)	(3)
Balance, end of year	5	14
Accumulated Other Comprehensive Income (Loss), Net Attributable to Noncontrolling Interests
Changes in AOCI balances by component (after-tax)
Balance, beginning of year	(3)	(4)
Balance, end of year	(3)	(4)
Foreign Currency Translation
Changes in AOCI balances by component (after-tax)
Balance, beginning of year	(3)	(4)
Other comprehensive income (loss) before reclassifications	0	0
Amounts reclassified from AOCI	0	0
Total OCI, net of tax	0	0
Balance, end of year	(3)	(4)
Ownership Share of Equity Method Investees’ Other Comprehensive Income (Loss)
Changes in AOCI balances by component (after-tax)
Balance, beginning of year	0	0
Other comprehensive income (loss) before reclassifications	0	0
Amounts reclassified from AOCI	0	0
Total OCI, net of tax	0	0
Balance, end of year	0	0
Defined Benefit Pension and Postretirement Plans
Changes in AOCI balances by component (after-tax)
Balance, beginning of year	0	0
Other comprehensive income (loss) before reclassifications	0	0
Amounts reclassified from AOCI	0	0
Total OCI, net of tax	0	0
Balance, end of year	0	0
Unrealized Gain (Loss) on Derivative Contracts
Changes in AOCI balances by component (after-tax)
Balance, beginning of year	0	0
Other comprehensive income (loss) before reclassifications	0	0
Amounts reclassified from AOCI	0	0
Total OCI, net of tax	0	0
Balance, end of year	0	0
NCI
Changes in AOCI balances by component (after-tax)
Balance, beginning of year	174	233
Other comprehensive income (loss) before reclassifications	0	0
Amounts reclassified from AOCI	0	0
Total OCI, net of tax	0	0
Balance, end of year	$ 176	$ 261