v3.25.4
ACCUMULATED OTHER COMPREHENSIVE INCOME/(LOSS) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Beginning Balance $ 44,858 $ 42,798 $ 43,167
Total other comprehensive income/(loss), net of tax 1,928 (598) 298
Ending balance 35,980 44,858 42,798
Other income/(loss) 1,746 2,451 (603)
Net gains on cash flow hedges 48    
AOCI      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Beginning Balance (9,639) (9,042) (9,339)
Total other comprehensive income/(loss), net of tax 1,929 (597) 297
Ending balance (7,710) (9,639) (9,042)
Foreign currency translation      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Beginning Balance (6,899) (5,443) (6,416)
Other comprehensive income (loss), before reclassifications, before tax 1,960 (1,336) 967
Other comprehensive income (loss) before reclassifications, tax (66) 77 (10)
Other comprehensive income (loss), before reclassifications, net of tax 2,026 (1,413) 977
Reclassification from accumulated other comprehensive income, net of tax (5) (43) (4)
Total other comprehensive income/(loss), net of tax 2,021 (1,456) 973
Ending balance (4,878) (6,899) (5,443)
Marketable securities      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Beginning Balance (50) (170) (442)
Other comprehensive income (loss), before reclassifications, before tax 190 146 326
Other comprehensive income (loss) before reclassifications, tax 45 34 80
Other comprehensive income (loss), before reclassifications, net of tax 145 112 246
Reclassification from accumulated other comprehensive income, before tax (19) 11 35
Reclassification from AOCI, tax (5) 3 9
Reclassification from accumulated other comprehensive income, net of tax (14) 8 26
Total other comprehensive income/(loss), net of tax 131 120 272
Ending balance 81 (50) (170)
Derivative instruments      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Beginning Balance 277 (331) 129
Other comprehensive income (loss), before reclassifications, before tax (299) 803 (519)
Other comprehensive income (loss) before reclassifications, tax (69) 188 (126)
Other comprehensive income (loss), before reclassifications, net of tax (230) 615 (393)
Reclassification from accumulated other comprehensive income, before tax (110) (8) (83)
Reclassification from AOCI, tax (25) (1) (16)
Reclassification from accumulated other comprehensive income, net of tax (85) (7) (67)
Total other comprehensive income/(loss), net of tax (315) 608 (460)
Ending balance (38) 277 (331)
Pension and other postretirement benefits      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Beginning Balance (2,967) (3,098) (2,610)
Total other comprehensive income/(loss), net of tax 92 131 (488)
Ending balance (2,875) (2,967) (3,098)
Net prior service (costs)/credits arising during the period      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Other comprehensive income (loss), before reclassifications, before tax 0 0 (659)
Other comprehensive income (loss) before reclassifications, tax 0 0 (157)
Other comprehensive income (loss), before reclassifications, net of tax 0 0 (502)
Reclassification from accumulated other comprehensive income, before tax 127 167 25
Reclassification from AOCI, tax 29 40 6
Reclassification from accumulated other comprehensive income, net of tax 98 127 19
Translation impact on non-U.S. plans      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Total other comprehensive income/(loss), net of tax (6) 4 (5)
Accumulated Foreign Currency Adjustment Attributable to Noncontrolling Interest      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Total other comprehensive income/(loss), net of tax $ (1) $ (1) $ 1