Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity Accumulated Other Comprehensive Income (Details)

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Stockholders' Equity Accumulated Other Comprehensive Income (Details)
$ in Millions
 3 Months Ended
Dec. 24, 2017
USD ($)
Accumulated Other Comprehensive Income Attributable to Parent, Net of Tax [Roll Forward]  
Balance at beginning of period $ 384
Balance at end of period 386
Foreign Currency Translation Adjustment [Member]  
Accumulated Other Comprehensive Income Attributable to Parent, Net of Tax [Roll Forward]  
Balance at beginning of period 147
Other comprehensive income (loss) before reclassifications (5)
Reclassifications from accumulated other comprehensive income 0
Other comprehensive income (loss) (5)
Balance at end of period 142
Noncredit Other-than-Temporary Impairment Losses and Subsequent Changes in Fair Value for Certain Available-for-Sale Debt Securities [Member]  
Accumulated Other Comprehensive Income Attributable to Parent, Net of Tax [Roll Forward]  
Balance at beginning of period 23
Other comprehensive income (loss) before reclassifications 0
Reclassifications from accumulated other comprehensive income 0
Other comprehensive income (loss) 0
Balance at end of period 23
Net Unrealized Gain (Loss) on Other Available-for-Sale Securities [Member]  
Accumulated Other Comprehensive Income Attributable to Parent, Net of Tax [Roll Forward]  
Balance at beginning of period 218
Other comprehensive income (loss) before reclassifications 4
Reclassifications from accumulated other comprehensive income 0
Other comprehensive income (loss) 4
Balance at end of period 222
Net Unrealized (Loss) Gain on Derivative Instruments [Member]  
Accumulated Other Comprehensive Income Attributable to Parent, Net of Tax [Roll Forward]  
Balance at beginning of period (8)
Other comprehensive income (loss) before reclassifications 2
Reclassifications from accumulated other comprehensive income 1
Other comprehensive income (loss) 3
Balance at end of period (5)
Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member]  
Accumulated Other Comprehensive Income Attributable to Parent, Net of Tax [Roll Forward]  
Balance at beginning of period 4
Other comprehensive income (loss) before reclassifications 0
Reclassifications from accumulated other comprehensive income 0
Other comprehensive income (loss) 0
Balance at end of period 4
Total Accumulated Other Comprehensive Income [Member]  
Accumulated Other Comprehensive Income Attributable to Parent, Net of Tax [Roll Forward]  
Balance at beginning of period 384
Other comprehensive income (loss) before reclassifications 1
Reclassifications from accumulated other comprehensive income 1
Other comprehensive income (loss) 2
Balance at end of period $ 386