Other Income and Expense (Tables)

6 Months Ended

Jun. 30, 2013

Other Income and Expenses [Abstract]

Components Of Other Income Table

The components of other income are summarized as follows:

	Three Months Ended   June 30,				Six Months Ended   June 30,
	2013		2012		2013		2012
	(in millions)
Contract termination	$	—	$	—	$	60	$	—
Gain on sale of assets	4		1		5		3
Other	9		13		16		29
Total other income	$	13	$	14	$	81	$	32

Components Of Other Expense Table

The components of other expense are summarized as follows:

	Three Months Ended   June 30,				Six Months Ended   June 30,
	2013		2012		2013		2012
	(in millions)
Loss on sale and disposal of assets	$	10	$	11	$	25	$	35
Contract termination	—		—		7		—
Other	8		4		14		8
Total other expense	$	18	$	15	$	46	$	43