Quarterly report pursuant to Section 13 or 15(d)

Assets and Liabilities Measured at Fair Value (Details)

v3.22.1
Assets and Liabilities Measured at Fair Value (Details)
$ in Millions
Mar. 09, 2020
USD ($)
$ / item
shares
Mar. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Exchangeable Senior Debentures due 2051      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Interest rate   0.50%  
Forward Contracts | variable prepaid forward      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Forward contract shares indexed | shares 2.4    
Forward floor price | $ / item 17.25    
Forward cap price | $ / item 26.84    
Variable prepaid forward prepayment received $ 34    
Forward Contracts | variable prepaid forward | Accrued liabilities and other current liabilities      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Financial instruments liabilities   $ 9  
Term deposits      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Cash equivalents   160  
Recurring      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Cash equivalents   193 $ 35
Financial instruments liabilities   88 85
Recurring | Exchangeable Senior Debentures due 2051      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative asset   272 268
Recurring | Level 1      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Cash equivalents   33 35
Recurring | Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Cash equivalents   160  
Financial instruments liabilities   88 85
Recurring | Level 2 | Exchangeable Senior Debentures due 2051      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative asset   $ 272 $ 268