Commitments and Contingencies (Tables)

9 Months Ended

Sep. 30, 2017

Commitments and Contingencies Disclosure [Abstract]

Schedule of Loss Contingencies by Contingency

The following table summarizes the activity in the Company’s accrued obligations for asbestos and other personal injury matters (in millions):

	Three Months Ended September 30,
	2017			2016
Beginning balance	$	364		$	369
Accruals / changes in estimates	(24		)	16
Payments	(16		)	(23		)
Ending balance	$	324		$	362

	Nine Months Ended September 30,
	2017			2016
Beginning balance	$	367		$	375
Accruals / changes in estimates	(6		)	66
Payments	(37		)	(79		)
Ending balance	$	324		$	362

Accrued Obligations for Environmental Matters

The following table summarizes the activity in the Company’s accrued obligations for environmental matters (in millions):

	Three Months Ended September 30,
	2017			2016
Beginning balance	$	326		$	355
Accruals / changes in estimates	3			3
Payments	(7		)	(8		)
Ending balance	$	322		$	350

	Nine Months Ended September 30,
	2017			2016
Beginning balance	$	342		$	369
Accruals / changes in estimates	2			3
Payments	(22		)	(22		)
Ending balance	$	322		$	350