The amount of dividends proposed or declared after the reporting period but before financial statements are authorised for issue. Such dividends are not recognised as a liability at the end of the reporting period because no obligation exists at that time.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
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-IssueDate 2022-03-24
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-URIDate 2022-03-24

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-URIDate 2022-03-24

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The amount of final dividends proposed or declared after the reporting period but before financial statements are authorised for issue.

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The amount, per share, of final dividends proposed or declared before financial statements were authorised for issue but not recognised as distribution to owners.

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Dividends (Details) $ / shares in Units, $ / shares in Units, $ in Millions, $ in Millions	12 Months Ended
	Sep. 30, 2023 AUD ($) $ / shares	Sep. 30, 2023 NZD ($) $ / shares	Sep. 30, 2022 AUD ($) $ / shares	Sep. 30, 2022 NZD ($) $ / shares	Sep. 30, 2021 AUD ($) $ / shares	Sep. 30, 2021 NZD ($) $ / shares	Sep. 30, 2020
Dividends
Final dividend 72 cents per share (2022: 64 cents, 2021: 60 cents) all fully franked at 30%	$ 2,527		$ 2,241		$ 2,201
Total dividends not recognised at year end	$ 2,527		$ 2,241		$ 2,201
Final dividend, per share (cents) \| $ / shares	$ 0.72		$ 0.64		$ 0.60
Dividend tax rate (as a percent)	30.00%	30.00%	30.00%	30.00%	30.00%	30.00%	30.00%
New Zealand
Dividends
Imputation credits per share \| $ / shares		$ 0.07		$ 0.08		$ 0.07
Parent Entity
Dividends
Final dividend 72 cents per share (2022: 64 cents, 2021: 60 cents) all fully franked at 30%	$ 2,527		$ 2,241
Total dividends not recognised at year end	$ 2,527		$ 2,241
Dividend tax rate (as a percent)	30.00%	30.00%	30.00%	30.00%	30.00%	30.00%
Parent Entity \| Australia
Dividends
Franking credits	$ 3,520		$ 3,298		$ 3,857
Parent Entity \| New Zealand
Dividends
Imputation credits		$ 557		$ 678		$ 820