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Other Assets - Current Assets (Details) - USD ($)
$ in Millions
Jun. 30, 2021
Dec. 31, 2020
Other Assets [Abstract]    
Recoverable taxes $ 39 $ 52
Contractually reimbursable engineering costs 37 31
Joint venture receivables 28 53
Prepaid assets and deposits 24 18
Royalty agreements 4 7
China bank notes 0 15
Other 6 4
Other current assets $ 138 $ 180