| **Income (Loss) From Continuing Operations Per Common Share**                               | 6 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
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| **Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent [Abstract]** |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| Income (Loss) From Continuing Operations Per Common Share                                   | The computations of income from continuing operations per common share are as follows:  Quarter Ended Two Quarters Ended December 30, 2016 January 1, 2016 December 30, 2016 January 1, 2016         (In millions, except per share amounts)Income from continuing operations$168 $197 $324 $343Adjustments for participating securities outstanding(1) — (2) —Income from continuing operations used in per basic and diluted common share calculations (A)$167 $197 $322 $343Basic weighted average common shares outstanding (B)123.7 123.8 123.8 123.6Impact of dilutive share-based awards1.7 1.1 1.7 1.1Diluted weighted average common shares outstanding (C)125.4 124.9 125.5 124.7Income from continuing operations per basic common share (A)/(B)$1.35 $1.59 $2.60 $2.77Income from continuing operations per diluted common  share (A)/(C)$1.33 $1.58 $2.57 $2.75Potential dilutive common shares primarily consist of employee stock options and performance unit awards. Employee stock options to purchase approximately 1,200,708 and 1,482,261 shares of our common stock were outstanding at December 30, 2016 and January 1, 2016, respectively, but were not included as dilutive stock options in the computations of  net income per diluted common share because the effect would have been antidilutive. |

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| - Definition
The entire disclosure for earnings per share.
+ References
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No definition available.
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