Annual report pursuant to Section 13 and 15(d)

Income Taxes - Deferred Taxes (Details)

v3.20.4
Income Taxes - Deferred Taxes (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Components of Deferred Tax Assets and Liabilities [Abstract]    
Tax losses and capital loss carryforwards $ 280 $ 314
Foreign tax credit carryforwards 161 154
Accrued stock compensation 18 22
Operating lease liability 82 84
Other accrued liabilities 54 48
Other future deductible amounts 168 186
Deferred tax assets 763 808
Valuation allowance (264) (205)
Net deferred tax assets 499 603
Investments 31 122
Intangible assets 816 856
Fixed assets 163 106
Discount on exchangeable debentures 714 1,047
Other 102 153
Deferred tax liabilities 1,826 2,284
Deferred tax liabilities 1,327 $ 1,681
Valuation Allowance, Deferred Tax Asset, Change in Amount 59  
Deferred tax assets net operating loss subject to expiration 272  
Deferred tax assets, net operating loss not subject to expiration 8  
Operating Loss Carryforwards, Valuation Allowance 187  
Foreign tax credit carryforward valuation allowance $ 76