Quarterly report pursuant to Section 13 or 15(d)

Debt Long-term debt (Details)

v3.20.2
Debt Long-term debt (Details) - USD ($)
$ in Millions
9 Months Ended 12 Months Ended
Jun. 28, 2020
Sep. 29, 2019
Debt Instrument [Line Items]    
Long-term debt, principal amount $ 15,500 $ 15,500
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net (91) (75)
Hedge Accounting Adjustments Related To Long Term Debt 16 9
Debt, Long-term and Short-term, Combined Amount 15,425 15,434
Long-term Debt, Current Maturities 0 1,997
Long-term Debt, Excluding Current Maturities 15,425 13,437
Deferred Gain (Loss) on Discontinuation of Interest Rate Fair Value Hedge 19  
Long-term Debt, Fair Value 17,600 16,500
Interest Rate Swap    
Debt Instrument [Line Items]    
Derivative, Notional Amount   1,800
Fixed rate 2.15% notes due May 2030    
Debt Instrument [Line Items]    
Long-term debt, principal amount $ 1,200  
Debt Instrument, Interest Rate, Stated Percentage 2.15%  
Fixed rate 3.25% notes due May 2050    
Debt Instrument [Line Items]    
Long-term debt, principal amount $ 800  
Debt Instrument, Interest Rate, Stated Percentage 3.25%  
Floating-rate 3 month LIBOR plus 0.55% notes due May 2020    
Debt Instrument [Line Items]    
Long-term debt, principal amount $ 250  
Fixed rate 2.25% notes due May 2020    
Debt Instrument [Line Items]    
Long-term debt, principal amount $ 1,750  
Debt Instrument, Interest Rate, Stated Percentage 2.25%  
May 2015 notes    
Debt Instrument [Line Items]    
Long-term debt, principal amount $ 6,500 $ 8,500
Debt instrument, maturity year (calendar), start 2022 2020
Debt instrument, maturity year (calendar), end 2045 2045
May 2015 notes | Minimum    
Debt Instrument [Line Items]    
Debt Instrument, Interest Rate, Effective Percentage 2.62% 2.64%
May 2015 notes | Maximum    
Debt Instrument [Line Items]    
Debt Instrument, Interest Rate, Effective Percentage 4.73% 4.73%
May 2017 notes    
Debt Instrument [Line Items]    
Long-term debt, principal amount $ 7,000 $ 7,000
Debt instrument, maturity year (calendar), start 2023 2023
Debt instrument, maturity year (calendar), end 2047 2047
May 2017 notes | Minimum    
Debt Instrument [Line Items]    
Debt Instrument, Interest Rate, Effective Percentage 1.55% 2.70%
May 2017 notes | Maximum    
Debt Instrument [Line Items]    
Debt Instrument, Interest Rate, Effective Percentage 4.46% 4.47%
May 2020 Issuance    
Debt Instrument [Line Items]    
Long-term debt, principal amount $ 2,000 $ 0
Debt instrument, maturity year (calendar), start 2030  
Debt instrument, maturity year (calendar), end 2050  
May 2020 Issuance | Minimum    
Debt Instrument [Line Items]    
Debt Instrument, Interest Rate, Effective Percentage 2.31%  
May 2020 Issuance | Maximum    
Debt Instrument [Line Items]    
Debt Instrument, Interest Rate, Effective Percentage 3.30%  
Fixed rate 3.0% notes due May 2022    
Debt Instrument [Line Items]    
Debt Instrument, Interest Rate, Stated Percentage 3.00%