Severance (Tables)

3 Months Ended

Mar. 31, 2020

Restructuring and Related Activities [Abstract]

Schedule of Changes in Accrued Liabilities for Severance Expenses

Changes in our accrued liabilities for severance expenses were as follows:

	Severance
	(Dollars in millions)
Balance at December 31, 2019	$	89
Accrued to expense	—
Payments, net	(34		)
Balance at March 31, 2020	$	55