Supplemental Data (Summary of Accrued Expenses) (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Supplemental Data
Accrued advertising and promotion	$ 415	$ 399
Accrued salaries and wages	463	369
Accrued rebates	241	239
Accrued taxes - income and other	231	260
Operating lease	130	0
Accrued restructuring	93	118
Accrued interest	81	75
Other	324	333
Total	$ 1,978	$ 1,793