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Equity (Tables) | 6 Months Ended
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Mar. 30, 2019
Equity [Abstract] |
Schedule of Share Repurchase | A summary of share repurchases of our Class A stock is as follows (in millions):
|  | Three Months Ended |  | Six Months Ended
|  | March 30, 2019 |  | March 31, 2018 |  | March 30, 2019 |  | March 31, 2018
|  | Shares |  | Dollars |  | Shares |  | Dollars |  | Shares |  | Dollars |  | Shares |  | Dollars
Shares repurchased: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Under share repurchase program |  | 0.8 |  |  | $ | 50 |  |  | 0.8 |  |  | $ | 60 |  |  | 1.7 |  |  | $ | 100 |  |  | 2.3 |  |  | $ | 180 |
To fund certain obligations under equity compensation plans |  | 0.2 |  |  | 13 |  |  | 0.2 |  |  | 13 |  |  | 0.7 |  |  | 46 |  |  | 0.8 |  |  | 57 |
Total share repurchases |  | 1.0 |  |  | $ | 63 |  |  | 1.0 |  |  | $ | 73 |  |  | 2.4 |  |  | $ | 146 |  |  | 3.1 |  |  | $ | 237 |

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- Definition Tabular disclosure of treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23309-112656 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23285-112656 + Details
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