Fair Value Measurements (Details 3) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2009
Nonfinancial assets and liabilities measured at fair value on a nonrecurring basis
Impairment of certain long-lived assets associated with the UK passport production activity of 3M's Security Systems Division	$ 13
Fair Value Measurements, Total Gains (Losses)
Nonfinancial assets and liabilities measured at fair value on a nonrecurring basis
Long-lived assets held and used	(32)
Fair Value
Nonfinancial assets and liabilities measured at fair value on a nonrecurring basis
Long-lived assets held and used	41
Level 3
Nonfinancial assets and liabilities measured at fair value on a nonrecurring basis
Long-lived assets held and used	$ 41