XML 175 R124.htm IDEA: XBRL DOCUMENT v3.22.4
Post-employment benefits for associates - Summary of funded and unfunded DBO and net liability (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disclosure of net defined benefit liability (asset) [line items]      
Past service costs and settlements $ 0 $ 18 $ 154
Pension plans      
Disclosure of net defined benefit liability (asset) [line items]      
Net defined benefit obligation (asset) at beginning of period 270 315  
Current service cost 20 24  
Interest cost (income) 4 3  
Past service costs and settlements (3) (18)  
Administrative expenses 2 1  
Currency translation effects (4) (17)  
Employer contributions 19 23  
Effect of acquisitions, divestments or transfers 0 14  
Net defined benefit obligation (asset) at end of period 167 270 315
Funded status (146) (250)  
Limitation on recognition of fund surplus at January 1 (20) (17)  
Change in limitation on recognition of fund surplus (including exchange rate differences) (1) (3)  
Limitation on recognition of fund surplus at December 31 (21) (20) (17)
Pension plans | Benefit obligation      
Disclosure of net defined benefit liability (asset) [line items]      
Net defined benefit obligation (asset) at beginning of period 791 817  
Current service cost 20 24  
Interest cost (income) 12 9  
Past service costs and settlements (3) (38)  
Administrative expenses 2 1  
Remeasurement (gains) arising from changes in financial assumptions (185) (22)  
Remeasurement (gains)/losses arising from changes in demographic assumptions (15) 0  
Remeasurement losses/(gains) arising from experience-related changes 3 67  
Currency translation effects (31) (35)  
Benefit payments 36 37  
Contributions of associates (5) (5)  
Net defined benefit obligation (asset) at end of period 563 791 817
Pension plans | Plan assets      
Disclosure of net defined benefit liability (asset) [line items]      
Net defined benefit obligation (asset) at beginning of period (541) (519)  
Interest cost (income) (8) (6)  
Return on plan assets excluding interest income (93) 49  
Currency translation effects 27 18  
Benefit payments (36) (37)  
Employer contributions 19 23  
Contributions of associates 5 5  
Settlements 0 (20)  
Effect of acquisitions, divestments or transfers 0 14  
Net defined benefit obligation (asset) at end of period (417) (541) (519)
Other post-employment benefit plans      
Disclosure of net defined benefit liability (asset) [line items]      
Net defined benefit obligation (asset) at beginning of period 300 332  
Current service cost 8 10  
Interest cost (income) 8 7  
Past service costs and settlements 0 0  
Administrative expenses 0 0  
Currency translation effects 0 0  
Employer contributions 14 13  
Effect of acquisitions, divestments or transfers 0 0  
Net defined benefit obligation (asset) at end of period 221 300 332
Funded status (221) (300)  
Change in limitation on recognition of fund surplus (including exchange rate differences) 0 0  
Other post-employment benefit plans | Benefit obligation      
Disclosure of net defined benefit liability (asset) [line items]      
Net defined benefit obligation (asset) at beginning of period 300 332  
Current service cost 8 10  
Interest cost (income) 8 7  
Past service costs and settlements 0 0  
Administrative expenses 0 0  
Remeasurement (gains) arising from changes in financial assumptions (62) (12)  
Remeasurement (gains)/losses arising from changes in demographic assumptions 0 1  
Remeasurement losses/(gains) arising from experience-related changes (19) (25)  
Currency translation effects 0 0  
Benefit payments 18 17  
Contributions of associates (4) (4)  
Net defined benefit obligation (asset) at end of period 221 300 332
Other post-employment benefit plans | Plan assets      
Disclosure of net defined benefit liability (asset) [line items]      
Net defined benefit obligation (asset) at beginning of period 0 0  
Interest cost (income) 0 0  
Return on plan assets excluding interest income 0 0  
Currency translation effects 0 0  
Benefit payments (18) (17)  
Employer contributions 14 13  
Contributions of associates 4 4  
Settlements 0 0  
Effect of acquisitions, divestments or transfers 0 0  
Net defined benefit obligation (asset) at end of period $ 0 $ 0 $ 0