Goodwill and Intangible Assets - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2025	Dec. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract]
Intangible asset amortization	$ 77	$ 80	$ 156	$ 163
Indefinite-Lived Intangible Assets [Line Items]
Percentage of fair value in excess of carrying value	10.00%		10.00%
Indefinite-lived intangible asset	$ 19,710		$ 19,710
Gillette
Indefinite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible asset	$ 12,800		$ 12,800