CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY (UNAUDITED) (Parenthetical) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Statement of Stockholders' Equity [Abstract]
Dividends (in USD per share)	$ 0.62	$ 0.56	$ 1.24	$ 1.12
Currency translation adjustment, net of net investment hedge activity, tax expense (benefit)	$ 11	$ (25)	$ 25
Net actuarial gains and prior service cost, tax expense (benefit)	0	2	0	$ 2
Amortization of prior service costs and actuarial losses, tax expense (benefit)	$ 2	0	$ 3	1
Net realized and unrealized gain on cash flow hedges, tax expense (benefit)		$ (6)		$ (18)