Restructuring and Transformation Charges (Tables)

9 Months Ended

Sep. 30, 2018

Restructuring and Related Activities [Abstract]

Schedule of Restructuring Charges

The following tables present the components of restructuring charges by segment for the third quarter and nine months ended September 30,2018 and 2017.

	Three Months Ended September 30, 2018
					Total
(Dollars in millions)	Severance		Other		Severance and
Transformation Plan	Charges		Charges		Other Charges
Western Hemisphere	$	2	$	2	$	4
Eastern Hemisphere	2		3		5
Corporate	2		16		18
Total	$	6	$	21	$	27

	Three Months Ended September 30, 2017
					Total
(Dollars in millions)	Severance		Other		Severance and
2016-17 Plan	Charges		Charges		Other Charges
Western Hemisphere	$	8	$	2	$	10
Eastern Hemisphere	6		16		22
Corporate	1		1		2
Total	$	15	$	19	$	34

	Nine Months Ended September 30, 2018
					Total
(Dollars in millions)	Severance		Other		Severance and
Transformation Plan	Charges		Charges		Other Charges
Western Hemisphere	$	17	$	4	$	21
Eastern Hemisphere	20		12		32
Corporate	9		28		37
Total	$	46	$	44	$	90

	Nine Months Ended September 30, 2017
					Total
(Dollars in millions)	Severance		Other		Severance and
2016-17 Plan	Charges		Charges		Other Charges
Western Hemisphere	$	23	$	26	$	49
Eastern Hemisphere	24		38		62
Corporate	24		5		29
Total	$	71	$	69	$	140

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 Plans that will be paid pursuant to the respective arrangements and statutory requirements.

	At September 30, 2018
	Transformation Plan				2016-17 Plans				Total
									Severance
	Severance		Other		Severance		Other		and Other
(Dollars in millions)	Liability		Liability		Liability		Liability		Liability
Western Hemisphere	$	6	$	—	$	2	$	9	$	17
Eastern Hemisphere	2		1		2		15		20
Corporate	7		17		5		—		29
Total	$	15	$	18	$	9	$	24	$	66

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 Plans that will be paid pursuant to the respective arrangements and statutory requirements.

	At September 30, 2018
	Transformation Plan				2016-17 Plans				Total
									Severance
	Severance		Other		Severance		Other		and Other
(Dollars in millions)	Liability		Liability		Liability		Liability		Liability
Western Hemisphere	$	6	$	—	$	2	$	9	$	17
Eastern Hemisphere	2		1		2		15		20
Corporate	7		17		5		—		29
Total	$	15	$	18	$	9	$	24	$	66

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

			Nine Months Ended September 30, 2018
(Dollars in millions)	Accrued Balance at December 31, 2017		Charges		Cash Payments			Other			Accrued Balance at September 30, 2018
Transformation Plan
Severance liability	$	—	$	46	$	(27	)	$	(4	)	$	15
Other restructuring liability	—		$	44	$	(22	)	$	(4	)	$	18
2016-17 Plans
Severance liability	21		—		(12		)	—			9
Other restructuring liability	40		—		(14		)	(2		)	24
Total severance and other restructuring liability	$	61	$	90	$	(75	)	$	(10	)	$	66