Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Narrative (Details)

v3.20.2
Commitments and Contingencies - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Loss Contingencies [Line Items]          
Litigation reserves $ 8   $ 8   $ 7
Litigation receivable covered by insurance 1   1   2
Impairments, net 0 $ 0 206 $ 45  
Guarantor offsetting asset carrying value         5
Accrued expenses          
Loss Contingencies [Line Items]          
Guarantor obligations, current carrying value         10
Other Current Assets          
Loss Contingencies [Line Items]          
Guarantor offsetting asset carrying value         1
Other Noncurrent Assets          
Loss Contingencies [Line Items]          
Guarantor offsetting asset carrying value         $ 4
Maximum          
Loss Contingencies [Line Items]          
Range of possible loss, portion not accrued (up to) 5   $ 5    
Contract Termination | Receivable [Domain]          
Loss Contingencies [Line Items]          
Impairments, net $ 4