Basis of Presentation and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2016

Accounting Policies [Abstract]

Significant Accounting Estimates

The following table summarizes certain recurring-type costs and expenses that require management estimates for the three years ended December 31, 2016:

	Year Ended December 31,
Expense/(Income)	2016		2015		2014
Provisions for restructuring and related costs	$	264	$	27	$	106
Provision for receivables	43		54		50
Provisions for obsolete and excess inventory	28		30		26
Provision for product warranty liability	15		22		25
Depreciation and obsolescence of equipment on operating leases	276		286		297
Depreciation of buildings and equipment	148		151		179
Amortization of internal use software	73		83		88
Amortization of product software	4		4		4
Amortization of acquired intangible assets	58		60		65
Amortization of customer contract costs	4		6		6
Defined pension benefits - net periodic benefit cost	127		141		74
Retiree health benefits - net periodic benefit cost	35		2		3
Income tax expense	62		193		198