Annual report pursuant to Section 13 and 15(d)

Income Taxes (Deferred tax assets and liabilities) (Details)

v3.10.0.1
Income Taxes (Deferred tax assets and liabilities) (Details) - USD ($)
$ in Millions
Dec. 31, 2018
Dec. 31, 2017
Deferred Tax Assets, Gross [Abstract]    
Accrued liabilities and deferred income $ 87 $ 53
Tax credits 12 0
Provision for doubtful accounts 20 22
Net operating loss carryforward 14 10
Other 14 2
Valuation allowance (15) (9)
Deferred income tax assets 132 78
Deferred income tax liabilities:    
Depreciation and amortization 517 241
Other 12 8
Deferred income tax liabilities 529 249
Foreign tax credits 6  
Deferred Tax Liabilities, Net 397 171
Net Operating Loss Carryforward    
Deferred Tax Assets, Gross [Abstract]    
Valuation allowance (11) (8)
Deferred Tax Asset    
Deferred Tax Assets, Gross [Abstract]    
Valuation allowance (3) (1)
Foreign Tax Credit    
Deferred Tax Assets, Gross [Abstract]    
Valuation allowance (1)  
Other non-current assets    
Deferred income tax liabilities:    
Deferred Tax Liabilities, Net 2 2
Deferred income taxes    
Deferred income tax liabilities:    
Deferred Tax Liabilities, Net $ 399 $ 173