Commitments and Contingencies - Schedule of Commitments and Obligations (Details) $ in Millions	Dec. 31, 2019 USD ($)
Purchase obligations
Total	$ 487
Less than 1 year	339
1 to 3 years	133
3 to 5 years	15
More than 5 years	0
Guarantees
Total	68
Less than 1 year	68
1 to 3 years	0
3 to 5 years	0
More than 5 years	0
Letters of credit
Total	594
Less than 1 year	429
1 to 3 years	146
3 to 5 years	15
More than 5 years	4
Letters Of Credit
Letters of credit
Total	39
Less than 1 year	22
1 to 3 years	13
3 to 5 years	0
More than 5 years	$ 4