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Debt - Narrative (Details)
$ in Millions
6 Months Ended
Jun. 30, 2021
USD ($)
Debt Instrument [Line Items]  
Maximum borrowing capacity, revolving credit facility $ 75
Maximum borrowing capacity, swing line advances 20
Amended LOC agreement facility capacity $ 5
Required collateral equal to the aggregate stated amount of the LOCs (percent) 103.00%
LOC collateral percentage for draws in non-U.S. currencies (percent) 110.00%
Amount secured by cash collateral $ 2
Debt instrument, collateral amount 1
Short-term borrowings  
Debt Instrument [Line Items]  
Short-term borrowings $ 6
Maximum  
Debt Instrument [Line Items]  
Financial maintenance covenant 3.50
London Interbank Offered Rate (LIBOR)  
Debt Instrument [Line Items]  
Basis spread on variable rate (percent) 1.75%
London Interbank Offered Rate (LIBOR) | Minimum  
Debt Instrument [Line Items]  
Basis spread on variable rate (percent) 1.00%
London Interbank Offered Rate (LIBOR) | Maximum  
Debt Instrument [Line Items]  
Basis spread on variable rate (percent) 2.00%
Term Loan  
Debt Instrument [Line Items]  
Face amount $ 350
LOC Facility issued by local affiliates  
Debt Instrument [Line Items]  
Amount secured by cash collateral 11
Revolving Credit Facility  
Debt Instrument [Line Items]  
Face amount 400
Affiliated Entity  
Debt Instrument [Line Items]  
Working capital facility availability $ 179