CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) (Parenthetical) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2021	Dec. 31, 2020	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Statement of Comprehensive Income [Abstract]
Reclassification from AOCI, current period, net of tax, attributable to parent	$ 0		$ 0	$ 0	$ 0
Other comprehensive income (loss), foreign currency translation adjustment, tax, portion attributable to parent	0		0	0	0
Foreign earnings repatriated		$ 135
Other comprehensive income (loss), tax, portion attributable to parent	$ 0		$ 0	$ 0	$ 0

Amount of foreign earnings repatriated from subsidiaries outside the country of domicile.

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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, attributable to parent entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 45
-Paragraph 20
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Amount of tax expense (benefit) allocated to other comprehensive income (loss) attributable to parent entity.

+ References

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- Definition

Amount after tax of reclassification adjustments of other comprehensive income (loss) attributable to parent.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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