v3.25.2
Shareholders' equity - Tax effects of other comprehensive income (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2024
Jun. 30, 2025
Dec. 31, 2024
Jun. 30, 2024
Pre-tax amount            
Actuarial gains and losses $ 16   $ 22 $ 16   $ 20
Change in fair value of investments in equity instruments 52 $ 12 103 64   143
Currency translation adjustment generated by the parent company       8,690   (2,189)
Sub-total items not potentially reclassifiable to profit & loss       8,770   (2,026)
Currency translation adjustment (4,692) (2,017) 523 (6,709)   1,622
Cash flow hedge 165 (833) 593 (668)   1,400
Variation of foreign currency basis spread 4 15   19   (15)
Share of other comprehensive income of equity affiliates, net amount       (274)   (114)
Other   7 (2) 7    
Sub-total items potentially reclassifiable to profit & loss       (7,625)   2,893
Total other comprehensive income       1,145   867
Tax effect            
Actuarial gains and losses       (5)   12
Change in fair value of investments in equity instruments       (14)   (31)
Sub-total items not potentially reclassifiable to profit and loss (20) 1 (11) (19)   (19)
Cash flow hedge       163   (376)
Variation of foreign currency basis spread       (7)   4
Sub-total items potential reclassifiable to profit and loss (49) 205 (153) 156   (372)
Total other comprehensive income       137   (391)
Net amount            
Actuarial gains and losses       11   32
Change in fair value of investments in equity instruments       50   112
Currency translation adjustment generated by the parent company 5,808 2,882 (683) 8,690   (2,189)
Items not potentially reclassifiable to profit and loss 5,856 2,895 (569) 8,751   (2,045)
Currency translation adjustment       (6,709)   1,622
Cash flow hedge       (505)   1,024
Variation of foreign currency basis spread       12   (11)
Share of other comprehensive income of equity affiliates, net amount (174) (100) (38) (274)   (114)
Other       7    
Items potentially reclassifiable to profit and loss (4,746) (2,723) 923 (7,469)   2,521
Total other comprehensive income (net amount) $ 1,110 $ 172 $ 354 $ 1,282 $ 358 $ 476