v3.26.1
Accumulated Other Comprehensive Income (Loss) Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2026
Jun. 30, 2025
AOCI Attributable to Parent, Net of Tax [Roll Forward]            
Beginning balance $ 15,068 $ 15,015 $ 14,899 $ 14,408 $ 15,015 $ 14,408
Other Comprehensive Income (Loss), before Tax [Abstract]            
Other comprehensive income (loss) 25   208   (41) 339
Other Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]            
Total stockholders’ equity 14,462 15,068 15,288 14,899 14,462 15,288
Foreign currency translation adjustments            
AOCI Attributable to Parent, Net of Tax [Roll Forward]            
AOCI before tax, beginning balance (21) 11 (164) (261) 11 (261)
AOCI tax, beginning balance (6) 1 13 7 1 7
Beginning balance (27) 12 (151) (254) 12 (254)
Other Comprehensive Income (Loss), before Tax [Abstract]            
Net change, Before Tax Amount (17)   204   (49) 301
Net change, Tax Effect 1   (7)   (6) (1)
Other comprehensive income (loss) (16)   197   (55) 300
Other Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]            
AOCI before tax, ending balance (38) (21) 40 (164) (38) 40
AOCI tax, ending balance (5) (6) 6 13 (5) 6
Total stockholders’ equity (43) (27) 46 (151) (43) 46
Unrealized gains (losses) on cash flow hedges            
AOCI Attributable to Parent, Net of Tax [Roll Forward]            
AOCI before tax, beginning balance (171) (84) 4 (34) (84) (34)
AOCI tax, beginning balance 43 21 (1) 9 21 9
Beginning balance (128) (63) 3 (25) (63) (25)
Other Comprehensive Income (Loss), before Tax [Abstract]            
Net change, Before Tax Amount 47   13   (40) 51
Net change, Tax Effect (12)   (3)   10 (13)
Other comprehensive income (loss) 35   10   (30) 38
Other Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]            
OCI, before reclassifications, before tax 4   14   (117) 44
Other comprehensive income (loss) before reclassifications, tax (1)   (3)   29 (11)
OCI, before reclassifications, net of tax 3   11   (88) 33
AOCI before tax, ending balance (124) (171) 17 4 (124) 17
AOCI tax, ending balance 31 43 (4) (1) 31 (4)
Total stockholders’ equity (93) (128) 13 3 (93) 13
Unrealized gains (losses) on cash flow hedges | Cost of revenues            
Other Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]            
Reclassification from AOCI, current period, before tax 39   (1)   69 6
Reclassification from AOCI, current period, tax (10)   0   (17) (1)
Reclassification from AOCI, current period, net of tax 29   (1)   52 5
Unrealized gains (losses) on cash flow hedges | Selling, general and administrative expenses            
Other Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]            
Reclassification from AOCI, current period, before tax 4   0   8 1
Reclassification from AOCI, current period, tax (1)   0   (2) (1)
Reclassification from AOCI, current period, net of tax 3   0   6 0
Changes in net defined benefit obligations            
AOCI Attributable to Parent, Net of Tax [Roll Forward]            
AOCI before tax, beginning balance (92) (149)   (20) (149) (20)
AOCI tax, beginning balance 21 40   3 40 3
Beginning balance (71) (109)   (17) (109) (17)
Other Comprehensive Income (Loss), before Tax [Abstract]            
Net change, Before Tax Amount 5   1   62 1
Net change, Tax Effect 1   0   (18) 0
Other comprehensive income (loss) 6   1   44 1
Other Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]            
AOCI before tax, ending balance (87) (92) (19)   (87) (19)
AOCI tax, ending balance 22 21 3   22 3
Total stockholders’ equity (65) (71) (16)   (65) (16)
Accumulated Other Comprehensive Income (Loss)            
AOCI Attributable to Parent, Net of Tax [Roll Forward]            
AOCI before tax, beginning balance (284) (222) (180) (315) (222) (315)
AOCI tax, beginning balance 58 62 15 19 62 19
Beginning balance (226) (160) (165) (296) (160) (296)
Other Comprehensive Income (Loss), before Tax [Abstract]            
Net change, Before Tax Amount 35   218   (27) 353
Net change, Tax Effect (10)   (10)   (14) (14)
Other comprehensive income (loss) 25 (66) 208 131 (41) 339
Other Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]            
AOCI before tax, ending balance (249) (284) 38 (180) (249) 38
AOCI tax, ending balance 48 58 5 15 48 5
Total stockholders’ equity $ (201) $ (226) $ 43 $ (165) $ (201) $ 43