CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Net Income	$ 326	$ 83
Translation adjustments and gains (losses) from intra-entity transactions of a long-term investment nature
Adjustments and gains (losses) arising during the period	3	(102)
Translation adjustments and gains (losses) from intra-entity transactions of a long-term investment nature, before tax	3	(102)
Tax (expense) benefit	0	0
Translation adjustments and gains (losses) from intra-entity transactions of a long-term investment nature, net of tax	3	(102)
Changes in pension and post-retirement benefits
Unrealized gains (losses) arising during period, before Tax	47	0
Reclassification of (gains) losses into Net Income	7	5
Changes in pension and post-retirement benefits, before Tax	54	5
Tax (expense) benefit	(13)	(1)
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax, Total	41	4
Changes in derivative instruments
Unrealized gains (losses) arising during the period	24	(77)
Reclassification of (gains) losses into Net Income	4	(6)
Changes in derivative instruments, before Tax	28	(83)
Tax (expense) benefit	(7)	20
Changes in derivative instruments, net of tax	21	(63)
Other comprehensive income (loss), net of tax	65	(161)
Comprehensive Income (Loss)	$ 391	$ (78)