Severance and Leased Real Estate (Tables)

3 Months Ended

Mar. 31, 2018

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, 2017	$	33		64
Accrued to expense	45			2
Payments, net	(47		)	(4	)
Balance at March 31, 2018	$	31		62