Severance and Leased Real Estate (Tables)

12 Months Ended

Dec. 31, 2013

Restructuring and Related Activities [Abstract]

Schedule of changes in accrued liabilities for severance expenses and leased real estate

Changes in our accrued liabilities for severance expenses and leased real estate were as follows:

	Severance			Real Estate
	(Dollars in millions)
Balance at December 31, 2011	$	37		153
Accrued to expense	96			2
Payments, net	(113		)	(24	)
Reversals and adjustments	(3		)	—
Balance at December 31, 2012	17			131
Accrued to expense	31			—
Payments, net	(31		)	(16	)
Reversals and adjustments	—			(2	)
Balance at December 31, 2013	$	17		113