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Other assets and liabilities F.5. Assets and liabilities related to contract with customers (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Contract Assets [Line Items]    
Contract assets, net $ 77 $ 69 [1]
Contract liabilities [abstract]    
Short-term portion 88 97 [1]
Revenue that was included in contract liability balance at beginning of period 91 86
Transaction price allocated to remaining performance obligations 81  
Contract Costs, Net [Roll Forward]    
Contract costs, net, beginning of period 10 8
Change in scope 0 2
Contract costs capitalized 5 2
Amortization of contract costs (3) (1)
Contract costs, net, end of period 8 5
Long-term portion    
Contract Assets [Line Items]    
Contract assets, net 21 18
Short-term portion    
Contract Assets [Line Items]    
Contract assets, net 61 54
Provisions    
Contract Assets [Line Items]    
Contract assets, net (5) (4)
Current contract liabilities    
Contract liabilities [abstract]    
Long-term portion 2 2
Short-term portion 87 95
Total 88 $ 97
1 year    
Contract liabilities [abstract]    
Transaction price allocated to remaining performance obligations 81  
Later than 1 year    
Contract liabilities [abstract]    
Transaction price allocated to remaining performance obligations $ 1  
[1] Restated after the finalization of the Guatemala purchase accounting. See note A.1.2. for further details.