Supplemental Data (Summary of Accrued Expenses) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Supplemental Data
Accrued advertising and promotion	$ 377	$ 403
Accrued salaries and wages	380	350
Accrued quantity discounts	344	353
Accrued taxes - income and other	266	259
Other	659	648
Total	$ 2,026	$ 2,013