CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Net Income	$ 344	$ 441	$ 898	$ 907
Amounts arising during the period - gains (losses), net of tax (expense) benefit:
Foreign currency translation adjustments, net of tax	(291)	(377)	(352)	(83)
Qualifying derivatives, net of tax	28	35	36	16
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, after Tax [Abstract]
Defined benefit plan, Net actuarial gain (loss), net of tax	(1)	(2)	(1)	(5)
Reclassifications from AOCI - (gains) losses, net of tax expense (benefit):
Qualifying derivatives, net of tax	(20)	(27)	(23)	(3)
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax [Abstract]
Defined benefit plan, Prior service costs, net of tax	1	1	2	1
Defined benefit plan, Net actuarial (gain) loss, net of tax	47	21	94	42
Total other comprehensive income (loss)	(236)	(349)	(244)	(32)
Comprehensive income	$ 108	$ 92	$ 654	$ 875