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Discontinued Operations and Assets Held for Sale (Carrying Amounts of Assets and Liabilities Classified as Associated with Discontinued Operations on Consolidated Balance Sheets) (Parenthetical) (Details) - Scenario Forecast [Member] - Senior Notes [Member] $ in Millions	3 Months Ended
	Sep. 30, 2019 USD ($)
4.00% due July 15, 2021 [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Long-term debt retired	$ 500
Debt interest rate, stated percentage	4.00%
Debt, maturity date	Jul. 15, 2021
3.25% due May 15, 2022 [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Long-term debt retired	$ 1,000
Debt interest rate, stated percentage	3.25%
Debt, maturity date	May 15, 2022

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(2))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
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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.

+ References

No definition available.

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