Income Taxes Income tax provision (benefit) from continuing operations (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
U.S. federal	$ (5)	$ 55	$ 106
State and local	(1)	8	4
Foreign	(17)	32	8
Net current tax provision (benefit)	(23)	95	118
U.S federal	7	11	(19)
State and local	(1)	6	8
Foreign	5	11	38
Net valuation allowance increase (decrease)	(1)	(1)	(26)
Deferred income tax expense (benefit)	10	27	1
Provision (benefit) for income taxes	(13)	122	119
Income Taxes Paid	20	90	$ 143
Income taxes payable	0	21
Income Taxes Receivable, Current	$ 35	16
Taxes Payable		$ 5