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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

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