Schedule II - Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2016

Valuation and Qualifying Accounts [Abstract]

Schedule II - Valuation and Qualifying Accounts

Schedule II—Valuation and Qualifying Accounts

(Dollars in millions)

Year Ended December 31,	2016			2015			2014
Accounts Receivable—Allowance for Doubtful Receivables
Balance at beginning of period	$	225		$	235		$	262
Additions charged to expenses	119			58			58
Deductions from reserves1	(57		)	(68		)	(85		)
Balance at end of period	$	287		$	225		$	235
Inventory—Obsolescence Reserve
Balance at beginning of period	$	237		$	180		$	212
Additions charged to expenses	298			391			386
Deductions from reserves2	(320		)	(334		)	(418		)
Balance at end of period	$	215		$	237		$	180
Deferred Tax Assets—Valuation Allowance
Balance at beginning of period	$	1,529		$	1,704		$	1,711
Net benefits to income tax expense	(184		)	(71		)	(47		)
(Deductions) additions to other comprehensive (loss) income	(37		)	(104		)	40
Balance at end of period	$	1,308		$	1,529		$	1,704

^1. Deductions include write-offs, recoveries and currency translation adjustments.

^2. Deductions include disposals and currency translation adjustments.