Treasury Stock, Value, Acquired, Cost Method, Settled After Period

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- Definition

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

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- Definition

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

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- Definition

Amount of paid and unpaid common stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).

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- Definition

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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No definition available.

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- Definition

Amount of stock repurchase plan authorized.

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No definition available.

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- Definition

Number of shares that have been repurchased during the period and are being held in treasury.

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- Definition

Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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Stockholders' Equity - Stock Repurchase Programs, Treasury Shares, and Dividends on Common Stock (Details) - USD ($) $ / shares in Units, shares in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
	Feb. 28, 2021	Jan. 31, 2021	Jan. 31, 2020	Jan. 31, 2021	Jan. 31, 2020	Jan. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock repurchased (in shares)				470
Stock repurchases under stock repurchase programs		$ 175,000,000	$ 139,000,000	$ 175,000,000	$ 278,000,000
Stock repurchases under stock repurchase programs settled after period end				11,000,000
Stock repurchase program, remaining authorized repurchase amount		2,200,000,000		$ 2,200,000,000
Common stock, dividends, per share, cash paid (in dollars per share)				$ 1.18
Dividends declared		$ 163,000,000	$ 140,000,000	$ 320,000,000	$ 281,000,000
Cash dividends declared per common share (in dollars per share)		$ 0.59	$ 0.53	$ 1.18	$ 1.06	$ 1.06
Treasury Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock repurchases under stock repurchase programs		$ 175,000,000	$ 139,000,000	$ 175,000,000	$ 278,000,000
Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash dividends declared per common share (in dollars per share)	$ 0.59