Business Segment Information - Summary by Geographic Area (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Summary of net sales and net long-lived assets by geographic area
Net sales	$ 2,523	$ 2,752	$ 2,030	$ 1,756	$ 1,805	$ 2,097	$ 2,172	$ 1,923	$ 9,061	$ 7,997	$ 8,570
Net long-lived assets	5,491				2,987				5,491	2,987
US
Summary of net sales and net long-lived assets by geographic area
Net sales									4,929	4,738	5,091
Net long-lived assets	2,097				1,211				2,097	1,211
Brazil
Summary of net sales and net long-lived assets by geographic area
Net long-lived assets	885				463				885	463
Other
Summary of net sales and net long-lived assets by geographic area
Net long-lived assets	$ 2,509				$ 1,313				2,509	1,313
Foreign
Summary of net sales and net long-lived assets by geographic area
Net sales									$ 4,132	$ 3,259	$ 3,479