Company Restructuring (Details 2) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013
Restructuring Reserve
Balance at the beginning of the period	$ 9
Expense incurred	50
Adjustments to liability	(2)
Payments applied against liability	(33)
Balance at the end of the period	24
Employee costs
Restructuring Reserve
Balance at the beginning of the period	6
Expense incurred	45
Adjustments to liability	(2)
Payments applied against liability	(28)
Balance at the end of the period	21
Cumulative amount incurred to date for active programs	115
Exit costs
Restructuring Reserve
Balance at the beginning of the period	3
Expense incurred	5
Payments applied against liability	(5)
Balance at the end of the period	3
Cumulative amount incurred to date for active programs	$ 54