Equity-Based Compensation - Compensation Expense Related to Restricted Stock Units of TFCF (Details) - USD ($) $ in Millions		12 Months Ended
		Sep. 28, 2019	Sep. 29, 2018	Sep. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSU compensation expense	[1]	$ 627	$ 306	$ 274
TFCF
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSU compensation expense		$ 307

[1] Includes TFCF Performance RSUs converted to Company RSUs in connection with the TFCF acquisition (see Note 4). In fiscal 2019, the Company recognized $307 million of equity based compensation in connection with the TFCF acquisition.