Annual report pursuant to Section 13 and 15(d)

Composition of Certain Financial Statement Items Accumulated Other Comprehensive Income (Details)

v3.19.3
Composition of Certain Financial Statement Items Accumulated Other Comprehensive Income (Details) - USD ($)
$ in Millions
12 Months Ended
Oct. 01, 2018
Sep. 29, 2019
Sep. 30, 2018
Sep. 24, 2017
Changes in the components of accumulated other comprehensive income [Line Items]        
Balance at beginning of period $ 265 $ 265    
Reclassifications from accumulated other comprehensive income   4 $ (17) $ (74)
Balance at end of period   100 265  
Investment and other income, net   441 539 900
Foreign Currency Translation Adjustment [Member]        
Changes in the components of accumulated other comprehensive income [Line Items]        
Balance at beginning of period 11 11    
Other comprehensive (loss) income before reclassifications   (110)    
Reclassifications from accumulated other comprehensive income   0 0 0
Other comprehensive (loss) income   (110)    
Balance at end of period   (99) 11  
Noncredit Other-than-Temporary Impairment Losses and Subsequent Changes in Fair Value for Certain Available-for-Sale Debt Securities [Member]        
Changes in the components of accumulated other comprehensive income [Line Items]        
Balance at beginning of period 23 23    
Other comprehensive (loss) income before reclassifications   0    
Reclassifications from accumulated other comprehensive income   0    
Other comprehensive (loss) income   0    
Balance at end of period   23 23  
Net Unrealized Gain (Loss) on Other Available-for-Sale Securities [Member]        
Changes in the components of accumulated other comprehensive income [Line Items]        
Balance at beginning of period 243 243    
Other comprehensive (loss) income before reclassifications   (6)    
Reclassifications from accumulated other comprehensive income   (51)    
Other comprehensive (loss) income   (57)    
Balance at end of period   186 243  
Net Unrealized Gain (Loss) on Derivative Instruments [Member]        
Changes in the components of accumulated other comprehensive income [Line Items]        
Balance at beginning of period (13) (13)    
Other comprehensive (loss) income before reclassifications   26    
Reclassifications from accumulated other comprehensive income   (5)    
Other comprehensive (loss) income   21    
Balance at end of period   8 (13)  
Other Gains (Losses) [Member]        
Changes in the components of accumulated other comprehensive income [Line Items]        
Balance at beginning of period 1 1    
Other comprehensive (loss) income before reclassifications   (19)    
Reclassifications from accumulated other comprehensive income   0    
Other comprehensive (loss) income   (19)    
Balance at end of period   (18) 1  
AOCI Attributable to Parent [Member]        
Changes in the components of accumulated other comprehensive income [Line Items]        
Balance at beginning of period 265 265    
Other comprehensive (loss) income before reclassifications   (109)    
Reclassifications from accumulated other comprehensive income   (56)    
Other comprehensive (loss) income   (165)    
Balance at end of period   100 265  
Reclassification out of Accumulated Other Comprehensive Income [Member]        
Changes in the components of accumulated other comprehensive income [Line Items]        
Investment and other income, net   $ 0 $ 0 $ 201
Reclassification out of Accumulated Other Comprehensive Income [Member]        
Changes in the components of accumulated other comprehensive income [Line Items]        
Reclassifications from accumulated other comprehensive income $ 51