Business Combinations (Details) $ in Millions		3 Months Ended		6 Months Ended
	Sep. 01, 2015 USD ($) item	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Dec. 31, 2015 USD ($)
Business Combinations
Net sales		$ 1,760	$ 1,543	$ 3,348	$ 2,964
Gross profit		342	274	661	542
Fair values of the assets and liabilities assumed
Goodwill		2,536	$ 1,789	2,536	$ 1,789	$ 2,489
Vitro Acquisition
Business Combinations
Total consideration	$ 2,297
Number of plants acquired | item	5
Net sales				444
Gross profit				86
Fair values of the assets and liabilities assumed
Cash	$ 17	17		17
Other current assets	344	334		334
Goodwill	1,073	819		819
Customer list intangibles	406	612		612
Net property, plant, and equipment	597	647		647
Total assets	2,437	2,429		2,429
Current liabilities	93	85		85
Long-term debt	11	11		11
Long-term liabilities	36	36		36
Net assets acquired	$ 2,297	2,297		2,297
Vitro Acquisition | As Adjusted
Fair values of the assets and liabilities assumed
Other current assets		(10)		(10)
Goodwill		(254)		(254)
Customer list intangibles		206		206
Net property, plant, and equipment		50		50
Total assets		(8)		(8)
Current liabilities		$ (8)		$ (8)