Company Restructuring (Details 2) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014
Restructuring Reserve
Balance at the beginning of the period	$ 24
Expense incurred	2
Adjustments to liability	(2)
Payments applied against liability	(8)
Balance at the end of the period	16
Employee costs
Restructuring Reserve
Balance at the beginning of the period	21
Expense incurred	2
Adjustments to liability	(3)
Payments applied against liability	(6)
Balance at the end of the period	14
Cumulative amount incurred to date for active programs	94
Exit costs
Restructuring Reserve
Balance at the beginning of the period	3
Adjustments to liability	1
Payments applied against liability	(2)
Balance at the end of the period	2
Cumulative amount incurred to date for active programs	$ 55