Aggregate dividends declared during the period for each share of common stock outstanding.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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Date the declared dividend will be paid, in CCYY-MM-DD format.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586

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Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.

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Date the dividend to be paid was declared, in CCYY-MM-DD format.

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Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

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Amount of stock repurchase plan authorized.

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Subsequent Events (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended			6 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Sep. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Jul. 31, 2019	Nov. 01, 2018	May 22, 2018	Nov. 01, 2017
Subsequent Event [Line Items]
Stock Repurchase Program, Authorized Amount						$ 2,000	$ 2,000	$ 1,500	$ 2,000
Estimated aggregate dividend payment		$ 413	$ 419	$ 824	$ 844
Subsequent Event [Member]
Subsequent Event [Line Items]
Dividends Payable, Date Declared	Oct. 22, 2019
Approved dividend, amount per share	$ 0.44
Estimated aggregate dividend payment	$ 406
Dividends Payable, Date to be Paid	Dec. 13, 2019
Dividends Payable, Date of Record	Nov. 05, 2019