Compensation Expense Related to Stock Options, Stock Appreciation Rights and Restricted Stock Units (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Jun. 29, 2019	Jun. 30, 2018	Jun. 29, 2019	Jun. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options		$ 21	$ 21	$ 64	$ 67
RSUs	[1]	114	92	527	240
Total equity-based compensation expense	[2]	135	113	591	307
Equity-based compensation expense capitalized during the period		$ 22	$ 17	$ 60	$ 54

[1] Includes 21CF RSUs converted to Company RSUs in connection with the acquisition of 21CF (see Note 4). For the quarter and nine months ended, the Company recognized $39 million and $279 million, respectively, of equity based compensation in connection with the 21CF acquisition.

[2] Equity-based compensation expense is net of capitalized equity-based compensation and excludes amortization of previously capitalized equity-based compensation costs.