Employee benefits liabilities - Disclosure of changes in the benefit obligations and fair value of plan assets of benefit plan (Details) - EUR (€) € in Millions | 12 Months Ended |
Dec. 31, 2024 | Dec. 31, 2023 |
Projected benefit obligation | | |
Net defined benefit liability (asset), beginning of period | € (3,538) | |
Net defined benefit liability (asset), end of period | (3,913) | € (3,538) |
Plan Assets | | |
Net defined benefit liability (asset), beginning of period | (3,538) | |
Net defined benefit liability (asset), end of period | (3,913) | (3,538) |
Present value of projected benefit obligation | | |
Net defined benefit liability (asset) | (3,913) | (3,538) |
Defined benefit asset | 963 | 910 |
Projected benefit obligation | | |
Projected benefit obligation | | |
Net defined benefit liability (asset), beginning of period | (25,932) | |
Net defined benefit liability (asset), end of period | (26,203) | (25,932) |
Plan Assets | | |
Net defined benefit liability (asset), beginning of period | (25,932) | |
Net defined benefit liability (asset), end of period | (26,203) | (25,932) |
Present value of projected benefit obligation | | |
Net defined benefit liability (asset) | (26,203) | (25,932) |
Pension benefits | | |
Projected benefit obligation | | |
Net defined benefit liability (asset), beginning of period | (1,074) | |
Service cost | (143) | (140) |
Net defined benefit liability (asset), end of period | (1,460) | (1,074) |
Plan Assets | | |
Net defined benefit liability (asset), beginning of period | (1,074) | |
Administrative Expenses | (63) | (87) |
Net defined benefit liability (asset), end of period | (1,460) | (1,074) |
Present value of projected benefit obligation | | |
Net defined benefit liability (asset) | (1,460) | (1,074) |
Defined benefit liability | (2,396) | (1,958) |
Defined benefit asset | 936 | 884 |
Pension benefits | Net (liability) asset recognized in the balance sheet before minimum funding requirement (IFRIC 14) | | |
Projected benefit obligation | | |
Net defined benefit liability (asset), beginning of period | (826) | |
Net defined benefit liability (asset), end of period | (1,248) | (826) |
Plan Assets | | |
Net defined benefit liability (asset), beginning of period | (826) | |
Net defined benefit liability (asset), end of period | (1,248) | (826) |
Present value of projected benefit obligation | | |
Net defined benefit liability (asset) | (1,248) | (826) |
Pension benefits | Minimum funding requirement liability (IFRIC 14) | | |
Projected benefit obligation | | |
Net defined benefit liability (asset), beginning of period | (248) | |
Net defined benefit liability (asset), end of period | (212) | (248) |
Plan Assets | | |
Net defined benefit liability (asset), beginning of period | (248) | |
Net defined benefit liability (asset), end of period | (212) | (248) |
Present value of projected benefit obligation | | |
Net defined benefit liability (asset) | (212) | (248) |
Pension benefits | U.S. and Canada | | |
Projected benefit obligation | | |
Net defined benefit liability (asset), beginning of period | (950) | |
Net defined benefit liability (asset), end of period | (1,419) | (950) |
Plan Assets | | |
Net defined benefit liability (asset), beginning of period | (950) | |
Employer contributions | 40 | |
Net defined benefit liability (asset), end of period | (1,419) | (950) |
Present value of projected benefit obligation | | |
Net defined benefit liability (asset) | (1,419) | (950) |
Defined benefit liability | (1,951) | (1,444) |
Defined benefit asset | 532 | 494 |
Pension benefits | U.S. and Canada | Net (liability) asset recognized in the balance sheet before minimum funding requirement (IFRIC 14) | | |
Projected benefit obligation | | |
Net defined benefit liability (asset), beginning of period | (702) | |
Net defined benefit liability (asset), end of period | (1,207) | (702) |
Plan Assets | | |
Net defined benefit liability (asset), beginning of period | (702) | |
Net defined benefit liability (asset), end of period | (1,207) | (702) |
Present value of projected benefit obligation | | |
Net defined benefit liability (asset) | (1,207) | (702) |
Pension benefits | U.S. and Canada | Minimum funding requirement liability (IFRIC 14) | | |
Projected benefit obligation | | |
Net defined benefit liability (asset), beginning of period | (248) | |
Net defined benefit liability (asset), end of period | (212) | (248) |
Plan Assets | | |
Net defined benefit liability (asset), beginning of period | (248) | |
Net defined benefit liability (asset), end of period | (212) | (248) |
Present value of projected benefit obligation | | |
Net defined benefit liability (asset) | (212) | (248) |
Pension benefits | UK | | |
Projected benefit obligation | | |
Net defined benefit liability (asset), beginning of period | 344 | |
Net defined benefit liability (asset), end of period | 364 | 344 |
Plan Assets | | |
Net defined benefit liability (asset), beginning of period | 344 | |
Net defined benefit liability (asset), end of period | 364 | 344 |
Present value of projected benefit obligation | | |
Net defined benefit liability (asset) | 364 | 344 |
Defined benefit liability | (8) | (22) |
Defined benefit asset | 372 | 366 |
Pension benefits | UK | Net (liability) asset recognized in the balance sheet before minimum funding requirement (IFRIC 14) | | |
Projected benefit obligation | | |
Net defined benefit liability (asset), beginning of period | 344 | |
Net defined benefit liability (asset), end of period | 364 | 344 |
Plan Assets | | |
Net defined benefit liability (asset), beginning of period | 344 | |
Net defined benefit liability (asset), end of period | 364 | 344 |
Present value of projected benefit obligation | | |
Net defined benefit liability (asset) | 364 | 344 |
Pension benefits | UK | Minimum funding requirement liability (IFRIC 14) | | |
Projected benefit obligation | | |
Net defined benefit liability (asset), beginning of period | 0 | |
Net defined benefit liability (asset), end of period | 0 | 0 |
Plan Assets | | |
Net defined benefit liability (asset), beginning of period | 0 | |
Net defined benefit liability (asset), end of period | 0 | 0 |
Present value of projected benefit obligation | | |
Net defined benefit liability (asset) | 0 | 0 |
Pension benefits | France and Germany | | |
Projected benefit obligation | | |
Net defined benefit liability (asset), beginning of period | (401) | |
Net defined benefit liability (asset), end of period | (324) | (401) |
Plan Assets | | |
Net defined benefit liability (asset), beginning of period | (401) | |
Net defined benefit liability (asset), end of period | (324) | (401) |
Present value of projected benefit obligation | | |
Net defined benefit liability (asset) | (324) | (401) |
Defined benefit liability | (363) | (432) |
Defined benefit asset | 39 | 31 |
Pension benefits | France and Germany | Net (liability) asset recognized in the balance sheet before minimum funding requirement (IFRIC 14) | | |
Projected benefit obligation | | |
Net defined benefit liability (asset), beginning of period | (401) | |
Net defined benefit liability (asset), end of period | (324) | (401) |
Plan Assets | | |
Net defined benefit liability (asset), beginning of period | (401) | |
Net defined benefit liability (asset), end of period | (324) | (401) |
Present value of projected benefit obligation | | |
Net defined benefit liability (asset) | (324) | (401) |
Pension benefits | France and Germany | Minimum funding requirement liability (IFRIC 14) | | |
Projected benefit obligation | | |
Net defined benefit liability (asset), beginning of period | 0 | |
Net defined benefit liability (asset), end of period | 0 | 0 |
Plan Assets | | |
Net defined benefit liability (asset), beginning of period | 0 | |
Net defined benefit liability (asset), end of period | 0 | 0 |
Present value of projected benefit obligation | | |
Net defined benefit liability (asset) | 0 | 0 |
Pension benefits | Other | | |
Projected benefit obligation | | |
Net defined benefit liability (asset), beginning of period | (67) | |
Net defined benefit liability (asset), end of period | (81) | (67) |
Plan Assets | | |
Net defined benefit liability (asset), beginning of period | (67) | |
Net defined benefit liability (asset), end of period | (81) | (67) |
Present value of projected benefit obligation | | |
Net defined benefit liability (asset) | (81) | (67) |
Defined benefit liability | (74) | (60) |
Defined benefit asset | (7) | (7) |
Pension benefits | Other | Net (liability) asset recognized in the balance sheet before minimum funding requirement (IFRIC 14) | | |
Projected benefit obligation | | |
Net defined benefit liability (asset), beginning of period | (67) | |
Net defined benefit liability (asset), end of period | (81) | (67) |
Plan Assets | | |
Net defined benefit liability (asset), beginning of period | (67) | |
Net defined benefit liability (asset), end of period | (81) | (67) |
Present value of projected benefit obligation | | |
Net defined benefit liability (asset) | (81) | (67) |
Pension benefits | Other | Minimum funding requirement liability (IFRIC 14) | | |
Projected benefit obligation | | |
Net defined benefit liability (asset), beginning of period | 0 | |
Net defined benefit liability (asset), end of period | 0 | 0 |
Plan Assets | | |
Net defined benefit liability (asset), beginning of period | 0 | |
Net defined benefit liability (asset), end of period | 0 | 0 |
Present value of projected benefit obligation | | |
Net defined benefit liability (asset) | 0 | 0 |
Pension benefits | Projected benefit obligation | | |
Projected benefit obligation | | |
Net defined benefit liability (asset), beginning of period | (23,468) | (23,652) |
Effect of changes in scope of consolidation and other | 116 | (1) |
Service cost | (143) | (140) |
Interest cost | (1,177) | (1,160) |
Benefit payments for the year | 1,792 | 1,776 |
Participant contributions | (1) | (1) |
Actuarial gains and (losses) | 126 | (189) |
Effect of changes in exchange rates | (976) | 565 |
Past service cost | (19) | (398) |
Effect of curtailments and settlements/Other | 0 | (268) |
Net defined benefit liability (asset), end of period | (23,750) | (23,468) |
Plan Assets | | |
Net defined benefit liability (asset), beginning of period | (23,468) | (23,652) |
Effect of changes in scope of consolidation and other | 116 | (1) |
Participant contributions | (1) | (1) |
Effect of changes in exchange rates | (976) | 565 |
Benefit payments for the year | 1,792 | 1,776 |
Net defined benefit liability (asset), end of period | (23,750) | (23,468) |
Present value of projected benefit obligation | | |
Net defined benefit liability (asset) | (23,750) | (23,468) |
Pension benefits | Projected benefit obligation | Demographic assumptions and experience | | |
Projected benefit obligation | | |
Actuarial gains and (losses) | 14 | (39) |
Pension benefits | Projected benefit obligation | Financial assumptions | | |
Projected benefit obligation | | |
Actuarial gains and (losses) | 112 | (150) |
Pension benefits | Projected benefit obligation | U.S. and Canada | | |
Projected benefit obligation | | |
Net defined benefit liability (asset), beginning of period | (18,964) | (19,201) |
Effect of changes in scope of consolidation and other | 114 | (1) |
Service cost | (98) | (99) |
Interest cost | (973) | (980) |
Benefit payments for the year | 1,558 | 1,537 |
Participant contributions | (1) | (1) |
Actuarial gains and (losses) | 339 | (165) |
Effect of changes in exchange rates | (924) | 610 |
Past service cost | (16) | (396) |
Effect of curtailments and settlements/Other | 0 | (268) |
Net defined benefit liability (asset), end of period | (18,965) | (18,964) |
Plan Assets | | |
Net defined benefit liability (asset), beginning of period | (18,964) | (19,201) |
Effect of changes in scope of consolidation and other | 114 | (1) |
Participant contributions | (1) | (1) |
Effect of changes in exchange rates | (924) | 610 |
Benefit payments for the year | 1,558 | 1,537 |
Net defined benefit liability (asset), end of period | (18,965) | (18,964) |
Present value of projected benefit obligation | | |
Net defined benefit liability (asset) | (18,965) | (18,964) |
Pension benefits | Projected benefit obligation | U.S. and Canada | Demographic assumptions and experience | | |
Projected benefit obligation | | |
Actuarial gains and (losses) | (10) | 10 |
Pension benefits | Projected benefit obligation | U.S. and Canada | Financial assumptions | | |
Projected benefit obligation | | |
Actuarial gains and (losses) | 349 | (175) |
Pension benefits | Projected benefit obligation | UK | | |
Projected benefit obligation | | |
Net defined benefit liability (asset), beginning of period | (1,456) | (1,545) |
Effect of changes in scope of consolidation and other | 1 | 1 |
Service cost | 0 | 0 |
Interest cost | (77) | (69) |
Benefit payments for the year | 88 | 83 |
Participant contributions | 0 | 0 |
Actuarial gains and (losses) | (10) | 108 |
Effect of changes in exchange rates | (70) | (32) |
Past service cost | (2) | (2) |
Effect of curtailments and settlements/Other | 0 | 0 |
Net defined benefit liability (asset), end of period | (1,526) | (1,456) |
Plan Assets | | |
Net defined benefit liability (asset), beginning of period | (1,456) | (1,545) |
Effect of changes in scope of consolidation and other | 1 | 1 |
Participant contributions | 0 | 0 |
Effect of changes in exchange rates | (70) | (32) |
Benefit payments for the year | 88 | 83 |
Net defined benefit liability (asset), end of period | (1,526) | (1,456) |
Present value of projected benefit obligation | | |
Net defined benefit liability (asset) | (1,526) | (1,456) |
Pension benefits | Projected benefit obligation | UK | Demographic assumptions and experience | | |
Projected benefit obligation | | |
Actuarial gains and (losses) | (4) | (19) |
Pension benefits | Projected benefit obligation | UK | Financial assumptions | | |
Projected benefit obligation | | |
Actuarial gains and (losses) | (6) | 127 |
Pension benefits | Projected benefit obligation | France and Germany | | |
Projected benefit obligation | | |
Net defined benefit liability (asset), beginning of period | (2,809) | (2,671) |
Effect of changes in scope of consolidation and other | 0 | (1) |
Service cost | (36) | (32) |
Interest cost | (110) | (94) |
Benefit payments for the year | 127 | 117 |
Participant contributions | 0 | 0 |
Actuarial gains and (losses) | (176) | (128) |
Effect of changes in exchange rates | 0 | 0 |
Past service cost | 0 | 0 |
Effect of curtailments and settlements/Other | 0 | 0 |
Net defined benefit liability (asset), end of period | (3,004) | (2,809) |
Plan Assets | | |
Net defined benefit liability (asset), beginning of period | (2,809) | (2,671) |
Effect of changes in scope of consolidation and other | 0 | (1) |
Participant contributions | 0 | 0 |
Effect of changes in exchange rates | 0 | 0 |
Benefit payments for the year | 127 | 117 |
Net defined benefit liability (asset), end of period | (3,004) | (2,809) |
Present value of projected benefit obligation | | |
Net defined benefit liability (asset) | (3,004) | (2,809) |
Pension benefits | Projected benefit obligation | France and Germany | Demographic assumptions and experience | | |
Projected benefit obligation | | |
Actuarial gains and (losses) | 26 | (17) |
Pension benefits | Projected benefit obligation | France and Germany | Financial assumptions | | |
Projected benefit obligation | | |
Actuarial gains and (losses) | (202) | (111) |
Pension benefits | Projected benefit obligation | Other | | |
Projected benefit obligation | | |
Net defined benefit liability (asset), beginning of period | (239) | (235) |
Effect of changes in scope of consolidation and other | 1 | 0 |
Service cost | (9) | (9) |
Interest cost | (17) | (17) |
Benefit payments for the year | 19 | 39 |
Participant contributions | 0 | 0 |
Actuarial gains and (losses) | (27) | (4) |
Effect of changes in exchange rates | 18 | (13) |
Past service cost | (1) | 0 |
Effect of curtailments and settlements/Other | 0 | 0 |
Net defined benefit liability (asset), end of period | (255) | (239) |
Plan Assets | | |
Net defined benefit liability (asset), beginning of period | (239) | (235) |
Effect of changes in scope of consolidation and other | 1 | 0 |
Participant contributions | 0 | 0 |
Effect of changes in exchange rates | 18 | (13) |
Benefit payments for the year | 19 | 39 |
Net defined benefit liability (asset), end of period | (255) | (239) |
Present value of projected benefit obligation | | |
Net defined benefit liability (asset) | (255) | (239) |
Pension benefits | Projected benefit obligation | Other | Demographic assumptions and experience | | |
Projected benefit obligation | | |
Actuarial gains and (losses) | 2 | (13) |
Pension benefits | Projected benefit obligation | Other | Financial assumptions | | |
Projected benefit obligation | | |
Actuarial gains and (losses) | (29) | 9 |
Pension benefits | Plan Assets | | |
Projected benefit obligation | | |
Net defined benefit liability (asset), beginning of period | 22,642 | 22,676 |
Effect of changes in scope of consolidation and other | (122) | 0 |
Interest cost | 1,130 | 1,108 |
Benefit payments for the year | (1,767) | (1,738) |
Participant contributions | 1 | 1 |
Actuarial gains and (losses) | (269) | 174 |
Effect of changes in exchange rates | 907 | (512) |
Net defined benefit liability (asset), end of period | 22,502 | 22,642 |
Plan Assets | | |
Net defined benefit liability (asset), beginning of period | 22,642 | 22,676 |
Effect of changes in scope of consolidation and other | (122) | 0 |
Expected return on assets | 1,130 | 1,108 |
Participant contributions | 1 | 1 |
Administrative Expenses | (63) | (87) |
Effect of changes in exchange rates | 907 | (512) |
Employer contributions | 43 | 1,020 |
Benefit payments for the year | (1,767) | (1,738) |
Net defined benefit liability (asset), end of period | 22,502 | 22,642 |
Present value of projected benefit obligation | | |
Net defined benefit liability (asset) | 22,502 | 22,642 |
Pension benefits | Plan Assets | U.S. and Canada | | |
Projected benefit obligation | | |
Net defined benefit liability (asset), beginning of period | 18,262 | 17,959 |
Effect of changes in scope of consolidation and other | (121) | 0 |
Benefit payments for the year | (1,547) | (1,533) |
Participant contributions | 1 | 1 |
Actuarial gains and (losses) | (558) | 560 |
Effect of changes in exchange rates | 820 | (554) |
Net defined benefit liability (asset), end of period | 17,758 | 18,262 |
Plan Assets | | |
Net defined benefit liability (asset), beginning of period | 18,262 | 17,959 |
Effect of changes in scope of consolidation and other | (121) | 0 |
Expected return on assets | 932 | 920 |
Participant contributions | 1 | 1 |
Administrative Expenses | (58) | (84) |
Effect of changes in exchange rates | 820 | (554) |
Employer contributions | 27 | 993 |
Benefit payments for the year | (1,547) | (1,533) |
Net defined benefit liability (asset), end of period | 17,758 | 18,262 |
Present value of projected benefit obligation | | |
Net defined benefit liability (asset) | 17,758 | 18,262 |
Pension benefits | Plan Assets | UK | | |
Projected benefit obligation | | |
Net defined benefit liability (asset), beginning of period | 1,800 | 1,989 |
Effect of changes in scope of consolidation and other | 0 | 0 |
Benefit payments for the year | (88) | (83) |
Participant contributions | 0 | 0 |
Actuarial gains and (losses) | (13) | (255) |
Effect of changes in exchange rates | 87 | 41 |
Net defined benefit liability (asset), end of period | 1,890 | 1,800 |
Plan Assets | | |
Net defined benefit liability (asset), beginning of period | 1,800 | 1,989 |
Effect of changes in scope of consolidation and other | 0 | 0 |
Expected return on assets | 96 | 90 |
Participant contributions | 0 | 0 |
Administrative Expenses | (4) | (3) |
Effect of changes in exchange rates | 87 | 41 |
Employer contributions | 12 | 21 |
Benefit payments for the year | (88) | (83) |
Net defined benefit liability (asset), end of period | 1,890 | 1,800 |
Present value of projected benefit obligation | | |
Net defined benefit liability (asset) | 1,890 | 1,800 |
Pension benefits | Plan Assets | France and Germany | | |
Projected benefit obligation | | |
Net defined benefit liability (asset), beginning of period | 2,408 | 2,547 |
Effect of changes in scope of consolidation and other | 0 | 0 |
Benefit payments for the year | (121) | (111) |
Participant contributions | 0 | 0 |
Actuarial gains and (losses) | 293 | (124) |
Effect of changes in exchange rates | 0 | 0 |
Net defined benefit liability (asset), end of period | 2,680 | 2,408 |
Plan Assets | | |
Net defined benefit liability (asset), beginning of period | 2,408 | 2,547 |
Effect of changes in scope of consolidation and other | 0 | 0 |
Expected return on assets | 95 | 90 |
Participant contributions | 0 | 0 |
Administrative Expenses | 0 | 0 |
Effect of changes in exchange rates | 0 | 0 |
Employer contributions | 5 | 6 |
Benefit payments for the year | (121) | (111) |
Net defined benefit liability (asset), end of period | 2,680 | 2,408 |
Present value of projected benefit obligation | | |
Net defined benefit liability (asset) | 2,680 | 2,408 |
Pension benefits | Plan Assets | Other | | |
Projected benefit obligation | | |
Net defined benefit liability (asset), beginning of period | 172 | 181 |
Effect of changes in scope of consolidation and other | (1) | 0 |
Benefit payments for the year | (11) | (11) |
Participant contributions | 0 | 0 |
Actuarial gains and (losses) | 9 | (7) |
Effect of changes in exchange rates | 0 | 1 |
Net defined benefit liability (asset), end of period | 174 | 172 |
Plan Assets | | |
Net defined benefit liability (asset), beginning of period | 172 | 181 |
Effect of changes in scope of consolidation and other | (1) | 0 |
Expected return on assets | 7 | 8 |
Participant contributions | 0 | 0 |
Administrative Expenses | (1) | 0 |
Effect of changes in exchange rates | 0 | 1 |
Employer contributions | (1) | 0 |
Benefit payments for the year | (11) | (11) |
Net defined benefit liability (asset), end of period | 174 | 172 |
Present value of projected benefit obligation | | |
Net defined benefit liability (asset) | € 174 | € 172 |