Goodwill and Other Intangible Assets (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization of intangible assets	$ 135	$ 101
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	444
Finite-Lived Intangible Assets, Amortization Expense, Year Two	563
Finite-Lived Intangible Assets, Amortization Expense, Year Three	531
Finite-Lived Intangible Assets, Amortization Expense, Year Four	458
Finite-Lived Intangible Assets, Amortization Expense, Year Five	$ 421