Restructuring and Transformation Charges (Tables)

3 Months Ended

Mar. 31, 2018

Restructuring and Related Activities [Abstract]

Schedule of Restructuring Charges

The following tables present the components of restructuring charges by segment for the first quarter of 2018 and 2017.

	Three Months Ended March 31, 2018
					Total
(Dollars in millions)	Severance		Other		Severance and
Transformation Plan	Charges		Charges		Other Charges
Western Hemisphere	$	4	$	—	$	4
Eastern Hemisphere	4		5		9
Corporate	3		9		12
Total	$	11	$	14	$	25

	Three Months Ended March 31, 2017
					Total
(Dollars in millions)	Severance		Other		Severance and
2016-17 Plan	Charges		Charges		Other Charges
Western Hemisphere	$	5	$	18	$	23
Eastern Hemisphere	7		19		26
Corporate	22		4		26
Total	$	34	$	41	$	75

The severance and other restructuring charges gave rise to certain liabilities, the components of which are summarized below, and largely relate to liabilities accrued as part of the 2016-17 and Prior Plans that will be paid pursuant to the respective arrangements and statutory requirements.

	At March 31, 2018
	Transformation Plan				2016-17 and Prior Plans				Total
									Severance
	Severance		Other		Severance		Other		and Other
(Dollars in millions)	Liability		Liability		Liability		Liability		Liability
Western Hemisphere	$	—	$	—	$	2	$	14	$	16
Eastern Hemisphere	2		1		3		20		26
Corporate	2		6		10		—		18
Total	$	4	$	7	$	15	$	34	$	60

Schedule of Restructuring Reserve by Type of Cost

The severance and other restructuring charges gave rise to certain liabilities, the components of which are summarized below, and largely relate to liabilities accrued as part of the 2016-17 and Prior Plans that will be paid pursuant to the respective arrangements and statutory requirements.

	At March 31, 2018
	Transformation Plan				2016-17 and Prior Plans				Total
									Severance
	Severance		Other		Severance		Other		and Other
(Dollars in millions)	Liability		Liability		Liability		Liability		Liability
Western Hemisphere	$	—	$	—	$	2	$	14	$	16
Eastern Hemisphere	2		1		3		20		26
Corporate	2		6		10		—		18
Total	$	4	$	7	$	15	$	34	$	60

The following table presents the restructuring liability activity for the first three months of 2018.

			Three Months Ended March 31, 2018
(Dollars in millions)	Accrued Balance at December 31, 2017		Charges		Cash Payments			Other			Accrued Balance at March 31, 2018
Transformation Plan
Severance liability	$	—	$	11	$	(8	)	$	1		$	4
Other restructuring liability	—		$	14	$	(6	)	$	(1	)	$	7
2016-17 and Prior Plans:
Severance liability	21		—		(7		)	1			15
Other restructuring liability	40		—		(5		)	(1		)	34
Total severance and other restructuring liability	$	61	$	25	$	(26	)	$	—		$	60