Contingencies, Commitments and Guarantees (details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2016	Jun. 30, 2016	Sep. 30, 2015	Jun. 30, 2015
Asbestos reserves [Member]
Liability for claims and claim adjustment expense
Increase to asbestos and environmental reserves	$ 225		$ 224
Environmental reserves [Member]
Liability for claims and claim adjustment expense
Increase to asbestos and environmental reserves		$ 82		$ 72