Subsequent Events (Details) - Subsequent event - USD ($) $ / shares in Units, $ in Billions		3 Months Ended
Oct. 27, 2020	Dec. 31, 2020
Subsequent Events
Dividend declared, date	Oct. 27, 2020
Dividend declared (in dollars per share)	$ 1.63
Dividend payable, date	Dec. 10, 2020
Shareholders of record, date	Nov. 10, 2020
Expected
Subsequent Events
Charge for structural actions		$ 2.3

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

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

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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 expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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