CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY (UNAUDITED) (Parenthetical) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Statement of Stockholders' Equity [Abstract]
Dividends (in USD per share)	$ 0.62	$ 0.56
Currency translation adjustment, net of net investment hedge activity, tax expense (benefit)	$ 36	$ 25
Amortization of prior service costs and actuarial losses, tax expense (benefit)	$ 1	1
Net realized and unrealized gain on cash flow hedges, tax expense (benefit)		$ 12

Aggregate dividends declared during the period for each share of common stock outstanding.

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Amount, after reclassification, of tax expense (benefit) for gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

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Amount of tax expense (benefit), after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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