Accumulated Other Comprehensive Income (Loss) Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021
AOCI Attributable to Parent, Net of Tax [Roll Forward]
AOCI, beginning balance	$ 11,973	$ 11,991	$ 11,037	$ 10,836	$ 11,991	$ 10,836
Other Comprehensive Income (Loss), before Tax [Abstract]
Net change, Net of Tax Amount	(193)		14		(230)	(11)
Other comprehensive income (loss)	(250)		1		(306)	(28)
Other Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Total stockholders’ equity	11,950	11,973	11,205	11,037	11,950	11,205
Foreign currency translation adjustments: [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
AOCI before tax, beginning balance	(60)	(22)	29	56	(22)	56
AOCI tax, beginning balance	3	2	1	(1)	2	(1)
AOCI, beginning balance	(57)	(20)	30	55	(20)	55
Other Comprehensive Income (Loss), before Tax [Abstract]
Net change, Before Tax Amount	(197)		15		(235)	(12)
Net change, Tax Effect	4		(1)		5	1
Other comprehensive income (loss)	(193)		14			(11)
Other Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
AOCI before tax, ending balance	(257)	(60)	44	29	(257)	44
AOCI tax, ending balance	7	3	0	1	7	0
Total stockholders’ equity	(250)	(57)	44	30	(250)	44
Unrealized gains on cash flow hedges: [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
AOCI before tax, beginning balance	48	71	63	67	71	67
AOCI tax, beginning balance	(10)	(14)	(12)	(12)	(14)	(12)
AOCI, beginning balance	38	57	51	55	57	55
Other Comprehensive Income (Loss), before Tax [Abstract]
Net change, Before Tax Amount	(72)		(17)		(95)	(21)
Net change, Tax Effect	15		4		19	4
Other comprehensive income (loss)	(57)		(13)		(76)	(17)
Other Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
OCI, before reclassifications, before tax	(66)		(3)		(76)	14
Other comprehensive income (loss) before reclassifications, tax	14		0		16	(3)
OCI, before reclassifications, net of tax	(52)		(3)		(60)	11
AOCI before tax, ending balance	(24)	48	46	63	(24)	46
AOCI tax, ending balance	5	(10)	(8)	(12)	5	(8)
Total stockholders’ equity	(19)	38	38	51	(19)	38
Unrealized gains on cash flow hedges: [Member] | Cost of revenues [Member]
Other Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Reclassification from AOCI, current period, before tax	(5)		(12)		(17)	(30)
Reclassification from AOCI, current period, tax	1		3		3	6
Reclassification from AOCI, current period, net of tax	(4)		(9)		(14)	(24)
Unrealized gains on cash flow hedges: [Member] | Selling, general and administrative expenses [Member]
Other Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Reclassification from AOCI, current period, before tax	(1)		(2)		(2)	(5)
Reclassification from AOCI, current period, tax	0		1		0	1
Reclassification from AOCI, current period, net of tax	(1)		(1)		(2)	(4)
Accumulated other comprehensive income (loss):
AOCI Attributable to Parent, Net of Tax [Roll Forward]
AOCI before tax, beginning balance	(12)	49	92	123	49	123
AOCI tax, beginning balance	(7)	(12)	(11)	(13)	(12)	(13)
AOCI, beginning balance	(19)	37	81	110	37	110
Other Comprehensive Income (Loss), before Tax [Abstract]
Net change, Before Tax Amount	(269)		(2)		(330)	(33)
Net change, Tax Effect	19		3		24	5
Other comprehensive income (loss)	(250)	(56)	1	(29)	(306)	(28)
Other Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
AOCI before tax, ending balance	(281)	(12)	90	92	(281)	90
AOCI tax, ending balance	12	(7)	(8)	(11)	12	(8)
Total stockholders’ equity	$ (269)	$ (19)	$ 82	$ 81	$ (269)	$ 82