Supplemental Balance Sheet Information (Details) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Inventory, Net [Abstract]
Raw materials and supplies	$ 253	$ 267
Work-in-process	37	42
Finished goods	960	912
Total Inventories	1,250	1,221
Inventories valued under LIFO	294	289
Excess of current cost over LIFO cost	63	63
Property, plant and equipment, net
Land	152	159
Buildings	1,604	1,655
Manufacturing machinery and equipment	5,157	5,165
Other equipment	1,423	1,481
Property, plant and equipment, gross	8,336	8,460
Accumulated depreciation	(4,455)	(4,388)
Total Property, plant and equipment, net	3,881	4,072
Other accruals
Accrued advertising and coupon redemption	486	510
Accrued payroll and employee benefits	275	325
Accrued taxes other than income taxes	127	123
Restructuring accrual	148	181
Pension and other retiree benefits	84	81
Accrued interest	35	34
Derivatives	9	20
Other	532	557
Total Other accruals	1,696	1,831
Other liabilities
Pension and other retiree benefits	1,600	1,724
Restructuring accrual	54	53
Other	380	478
Total Other liabilities	$ 2,034	$ 2,255