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Income Tax - Deferred Tax Assets and Liabilities (Detail) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Income Tax Disclosure [Abstract]    
Tax loss carryforwards and investment credits $ 612 $ 603
Less unrecognized tax benefit (21) (20)
Tax loss carryforwards net of unrecognized tax benefit 591 583
Inventory valuation 28 28
Impairment and restructuring charges 6 14
Fixed asset depreciation in arrears 39 35
Increased depreciation incentives 213 211
Capitalized development costs 118 108
Receivables for government funding 14 11
Tax credits granted on past capital investments 1,151 1,155
Pension service costs 81 65
Stock awards 6 7
Operating lease liabilities 40  
Commercial accruals 15 12
Other temporary differences 22 26
Total deferred tax assets 2,324 2,255
Valuation allowances (1,534) (1,548)
Deferred tax assets, net 790 707
Accelerated fixed asset depreciation (20) (16)
Acquired intangible assets (16) (13)
Advances of government funding (31) (12)
Operating lease right-of-use assets (40)  
Other temporary differences (7) (7)
Deferred tax liabilities (114) (48)
Net deferred income tax asset $ 676 $ 659