Income Taxes - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Tax Credit Carryforward [Line Items]
Deferred tax charge (benefit) adjustment	$ 97,000,000	$ 38,000,000	$ (49,000,000)
Undistributed earnings intends to reinvest for which no tax have been provided	1,700,000,000
Gross deferred tax assets	2,000,000,000.0	2,000,000,000
Deferred tax assets, net of valuation allowances	1,600,000,000	1,600,000,000
Gross deferred tax liabilities	854,000,000	771,000,000
Valuation allowance	349,000,000	461,000,000	604,000,000
Valuation allowance - deferred tax assets relating to non-U.S subsidiaries	85,000,000	86,000,000	90,000,000
Change in valuation allowances	(111,000,000)	(139,000,000)	481,000,000
Unrecognized tax benefits	70,000,000	76,000,000	$ 76,000,000
Unrecognized tax benefits that would impact effective tax rate if recognized	66,000,000	30,000,000
Estimated associated net tax charge impact on effective tax rate	7,000,000
Estimated associated net tax benefit impact on effective tax rate	27,000,000
Change in cash payment of unrecognized tax benefits, upper end of range	20,000,000
Unrecognized tax benefits, accrued for interest	29,000,000	30,000,000
Unrecognized tax benefits, accrued for penalties	16,000,000	17,000,000
Other Liabilities
Tax Credit Carryforward [Line Items]
Unrecognized tax benefits	$ 53,000,000	$ 51,000,000