Investments (Details) - naviHealth [Member] - USD ($) $ in Millions	12 Months Ended
Jun. 30, 2019	Aug. 01, 2018
Investments [Line Items]
Equity Method Investment, Ownership Percentage		44.00%
Equity Method Investments	$ 334	$ 358
Income (Loss) from Equity Method Investments	(9)
Proceeds from Equity Method Investment, Distribution, Return of Capital	$ 14

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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Amount of income (loss) for proportionate share of equity method investee's income (loss).

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Amount of distribution received from equity method investee for return of investment, classified as investing activities. Excludes distribution for return on investment, classified as operating activities.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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