Capital Stock Earnings per Common Share (Details) - shares shares in Millions	3 Months Ended		6 Months Ended
	Mar. 30, 2025	Mar. 24, 2024	Mar. 30, 2025	Mar. 24, 2024
Earnings Per Share [Abstract]
Dilutive common share equivalents included in diluted shares	10	13	11	12
Shares of common stock equivalents not included because the effect would be anti-dilutive or certain performance conditions were not satisfied at the end of the period	1	0	1	7