Contingencies (Details) $ in Millions	9 Months Ended
	Sep. 30, 2019 USD ($) claim site	Sep. 30, 2018 USD ($) claim	Dec. 31, 2018 USD ($)
Accrual for environmental loss contingencies [Abstract]
Waste disposal sites with potential liability under the Comprehensive Environmental Response, Compensation and Liability Act | site	27
Accrual for indicated environmental liabilities	$ 8		$ 9
Loss Contingency Claims [Roll Forward]
Loss Contingency, Range of Possible Loss, Portion Not Accrued	100		100
Loss Contingency Accrual [Roll Forward]
Beginning asbestos liability	805	$ 828
Claim resolution costs and associated defense costs	(33)	(36)
Ending asbestos liability	$ 772	$ 792
Asbestos Issue [Member]
Loss Contingency Claims [Roll Forward]
Beginning Claims | claim	8,598	9,225
New Claims Received | claim	1,667	1,460
Dismissed Claims | claim	(967)	(1,430)
Settled Claims | claim	(237)	(268)
Ending Claims | claim	9,061	8,987
Company paid in defense and indemnity in advance of insurers reimbursement	$ 608		574
Cash and notes received from insurers	272		271
Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid	32	$ 37
Assets:
Insurance Settlements Receivable, Noncurrent	336		303
Deferred asbestos-related insurance asset	49		83
Total insurance assets	385		386
Liabilities:
Accounts payable and accrued expenses	49		50
Other non-current liabilities	723		755
Total accrued liabilities	$ 772		$ 805