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CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN ACCUMULATED OTHER COMPREHENSIVE INCOME/(LOSS) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Changes in Accumulated Other Comprehensive Income/(Loss)
Beginning balance	$ 9,738	$ 13,195
Total period activity	108	(327)
Ending balance	10,084	9,722
Derivative Instruments
Changes in Accumulated Other Comprehensive Income/(Loss)
Beginning balance	(258)	(259)
Reclassification adjustments	3	2
Unrealized gain (loss) on hedges	68	(79)
Total period activity	71	(77)
Ending balance	(187)	(336)
Translation Adjustments
Changes in Accumulated Other Comprehensive Income/(Loss)
Beginning balance	(657)	(674)
Currency translation adjustments	37	(251)
Total period activity	37	(251)
Ending balance	(620)	(925)
Other
Changes in Accumulated Other Comprehensive Income/(Loss)
Beginning balance	(3)
Other		1
Total period activity	0	1
Ending balance	(3)	1
Total
Changes in Accumulated Other Comprehensive Income/(Loss)
Beginning balance	(918)	(933)
Reclassification adjustments	3	2
Unrealized gain (loss) on hedges	68	(79)
Currency translation adjustments	37	(251)
Other		1
Total period activity	108	(327)
Ending balance	$ (810)	$ (1,260)

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

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