Fair Value Measurements (Reconciliation of Liabilities Measured at Fair Value on a Recurring Basis Using Unobservable Inputs (Level 3)) (Details) - Recurring - Contingent Consideration Obligation $ in Millions	6 Months Ended
	Dec. 31, 2016 USD ($)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at beginning of period	$ 19
Additions from acquisitions	2
Changes in fair value of contingent consideration	0
Balance at end of period	$ 21