Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Deferred tax assets:
Receivables	$ 79	$ 117
Inventory	91	79
Property	137	191
Goodwill and other intangibles	117	132
Employee benefits	98	97
Other accrued expenses	47	74
Operating loss carryforwards	1,591	1,500
Tax credit carryforwards	398	173
Other	270	233
Total deferred income tax asset	2,828	2,596
Valuation allowances	(1,835)	(1,591)
Total deferred income tax asset after valuation allowance	993	1,005
Deferred tax liabilities:
Undistributed earnings of foreign subsidiaries	0	(9)
Other	(29)	(18)
Total deferred income tax liability	(29)	(27)
Net deferred tax asset	$ 964	$ 978