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Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract]  
Changes in product warranty accrual The table below provides changes in the combined current and non-current product warranty accruals over each period.
(in millions)202020192018
Warranty accrual – January 1$41 $60 $82 
Net charges for product warranties in the period57 25 20 
Settlement of warranty claims(34)(42)(42)
Foreign currency and other1 (2)— 
Warranty accrual – December 31$65 $41 $60