CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement of Stockholders' Equity [Abstract]
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax, Portion Attributable to Parent	$ (2)	$ (17)	$ (100)	$ (91)
Net Income (Loss) Attributable to Parent	283	255	572	806
Translation adjustments and gains (losses) from intra-entity transactions of a long-term investment nature
Adjustments and gains (losses) arising during the period	35	(42)	1	(37)
Translation adjustments and gains (losses) from intra-entity transactions of a long-term investment nature, before tax	35	(42)	1	(37)
Tax (expense) benefit	0	5	0	5
Translation adjustments and gains (losses) from intra-entity transactions of a long-term investment nature, net of tax	35	(37)	1	(32)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax	0	0	0	0
Changes in pension and post-retirement benefits
Reclassification of (gains) losses into Net Income	4	3	14	8
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax	(4)	(3)	(14)	(8)
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax	(2)	(1)	(4)	(2)
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax	(2)	(2)	(10)	(6)
Unrealized gains (losses) arising during the period	(8)	(5)	(101)	(65)
Changes in derivative instruments
Reclassification of (gains) losses into Net Income	6	(12)	1	(26)
Tax (expense) benefit	1	4	25	23
Changes in derivative instruments, net of tax	(1)	(13)	(75)	(68)
Other comprehensive income (loss), net of tax	36	(48)	(64)	(94)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	$ 319	$ 207	$ 508	$ 712