Commitments and Contingent Liabilities (Accretion Of Future Funding Obligation) (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2015	Dec. 31, 2014
Commitments and Contingencies Disclosure [Line Items]
Total obligation	$ 1,100
Asbestos litigation reserve current	840	$ 821
Asbestos litigation reserve noncurrent	245	$ 259
Total	75
Asbestos Issue [Member]
Commitments and Contingencies Disclosure [Line Items]
Remainder of 2015	8
2015	14
2016-2023	53
Total	$ 75