Equity (Schedule of Share Repurchases) (Details) - USD ($) shares in Millions, $ in Millions |
3 Months Ended | 6 Months Ended | ||
---|---|---|---|---|
Mar. 30, 2019 |
Mar. 31, 2018 |
Mar. 30, 2019 |
Mar. 31, 2018 |
|
Class of Stock [Line Items] | ||||
Payments for Repurchase of Common Stock | $ 146 | $ 237 | ||
Class A [Member] | ||||
Class of Stock [Line Items] | ||||
Treasury Stock, Shares, Acquired | 1.0 | 1.0 | 2.4 | 3.1 |
Payments for Repurchase of Common Stock | $ 63 | $ 73 | $ 146 | $ 237 |
Under share repurchase program | Class A [Member] | ||||
Class of Stock [Line Items] | ||||
Treasury Stock, Shares, Acquired | 0.8 | 0.8 | 1.7 | 2.3 |
Payments for Repurchase of Common Stock | $ 50 | $ 60 | $ 100 | $ 180 |
To fund certain obligations under equity compensation plans | Class A [Member] | ||||
Class of Stock [Line Items] | ||||
Treasury Stock, Shares, Acquired | 0.2 | 0.2 | 0.7 | 0.8 |
Payments for Repurchase of Common Stock | $ 13 | $ 13 | $ 46 | $ 57 |