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Commitments and Contingencies (Tables)
 12 Months Ended
Dec. 31, 2019
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)
2019
 
2018
 
2017
Warranty accrual – January 1
$
60

 
$
82

 
$
99

Net charges for product warranties in the period
25

 
20

 
28

Settlement of warranty claims
(42
)
 
(42
)
 
(48
)
Foreign currency and other
(2
)
 
—

 
3

Warranty accrual – December 31
$
41

 
$
60

 
$
82