XML 72 R58.htm IDEA: XBRL DOCUMENT v3.20.4
Financial Instruments and Risk Concentration - Additional Information (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Valuation and Qualifying Accounts Disclosure [Line Items]      
Carrying value of long term debt $ 6,798 $ 5,803  
Revenue Benchmark | Customer Concentration Risk | Customer Number One      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Concentration risk 10.00% 8.00% 8.00%
Allowance for Credit Loss      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Accounts receivable allowances, amounts charged (credited) to operating results $ 3 $ (11) $ 11
Level 2      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Fair value of long term debt 7,780    
Foreign Exchange Forward      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Notional amount 416    
Foreign Exchange Forward | Japanese Yen      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Notional amount 147    
Foreign Exchange Forward | Euros      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Notional amount 85    
Foreign Exchange Forward | British Pounds      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Notional amount $ 82