v3.26.1
Shareholders' equity and share-based payments - Tax effects of other comprehensive income (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Pre-tax amount      
Actuarial gains and losses $ 42 $ 20 $ (114)
Change in fair value of investments in equity instruments (193) 144 (11)
Currency translation adjustment generated by the parent company 8,737 (4,163) 2,573
Sub-total items not potentially reclassifiable to profit & loss 8,586 (3,999) 2,448
Currency translation adjustment (7,072) 2,759 (3,277)
Cash flow hedge (1,060) 3,119 2,898
Variation of foreign currency basis spread 22 (32) (11)
Share of other comprehensive income of equity affiliates, net amount (484) (246) (208)
Other 8 1 (2)
Sub-total items potentially reclassifiable to profit & loss (8,586) 5,601 (600)
Total other comprehensive income   1,602 1,848
Tax effect      
Actuarial gains and losses 29 76 (10)
Change in fair value of investments in equity instruments 22 (30) (1)
Sub-total items not potentially reclassifiable to profit and loss 51 46 (11)
Cash flow hedge 261 (822) (733)
Variation of foreign currency basis spread (6) 8 3
Sub-total items potential reclassifiable to profit and loss 255 (814) (730)
Total other comprehensive income 306 (768) (741)
Net amount      
Actuarial gains and losses 71 96 (124)
Change in fair value of investments in equity instruments (171) 114 (12)
Currency translation adjustment generated by the parent company 8,737 (4,163) 2,573
Items not potentially reclassifiable to profit and loss 8,637 (3,953) 2,437
Currency translation adjustment (7,072) 2,759 (3,277)
Cash flow hedge (799) 2,297 2,165
Variation of foreign currency basis spread 16 (24) (8)
Share of other comprehensive income of equity affiliates, net amount (484) (246) (208)
Other 8 1 (2)
Items potentially reclassifiable to profit and loss (8,331) 4,787 (1,330)
Total other comprehensive income (net amount) $ 306 $ 834 $ 1,107