Debt Long-term Debt (Details) - USD ($)
$ in Millions |
3 Months Ended |
12 Months Ended |
Dec. 30, 2018 |
Dec. 24, 2017 |
Sep. 30, 2018 |
| Long-term Debt [Abstract] |
|
|
|
| Long-term debt, principal amount |
$ 15,500
|
|
$ 15,500
|
| Unamortized discount including debt issuance costs, Net |
(82)
|
|
(85)
|
| Hedge accounting fair value adjustments |
(30)
|
|
(50)
|
| Interest paid related to commercial paper and long-term debt, net of cash received from the related interest rate swaps |
234
|
$ 257
|
|
| Debt, long-term and short-term, combined amount |
15,388
|
|
15,365
|
| Long-term debt, current maturities |
0
|
|
0
|
| Long-term debt |
15,388
|
|
15,365
|
| Long-term debt, fair value |
14,800
|
|
15,100
|
| May 2015 Notes: Floating-rate three-month LIBOR plus 0.55% notes due May 20, 2020 [Member] |
|
|
|
| Long-term Debt [Abstract] |
|
|
|
| Long-term debt, principal amount |
$ 250
|
|
$ 250
|
| Long-term debt, effective interest rate |
3.25%
|
|
2.93%
|
| Long-term debt, maturity date |
May 20, 2020
|
|
May 20, 2020
|
| Long-term debt, basis spread on variable rate |
0.55%
|
|
0.55%
|
| Long-term debt, interest rate terms |
Variable per annum rate equal to three-month LIBOR as determined on the interest determination date plus 0.55%.
|
|
|
| May 2015 Notes: Fixed-rate 2.25% notes due May 20, 2020 [Member] |
|
|
|
| Long-term Debt [Abstract] |
|
|
|
| Long-term debt, principal amount |
$ 1,750
|
|
$ 1,750
|
| Long-term debt, effective interest rate |
3.18%
|
|
3.13%
|
| Long-term debt, stated interest rate |
2.25%
|
|
2.25%
|
| Long-term debt, maturity date |
May 20, 2020
|
|
May 20, 2020
|
| Percentage of debt hedged by interest rate derivatives |
43.00%
|
|
|
| May 2015 Notes: Fixed-rate 3.00% notes due May 20, 2022 [Member] |
|
|
|
| Long-term Debt [Abstract] |
|
|
|
| Long-term debt, principal amount |
$ 2,000
|
|
$ 2,000
|
| Long-term debt, effective interest rate |
3.66%
|
|
3.73%
|
| Long-term debt, stated interest rate |
3.00%
|
|
3.00%
|
| Long-term debt, maturity date |
May 20, 2022
|
|
May 20, 2022
|
| Percentage of debt hedged by interest rate derivatives |
50.00%
|
|
|
| May 2015 Notes: Fixed-rate 3.45% notes due May 20, 2025 [Member] |
|
|
|
| Long-term Debt [Abstract] |
|
|
|
| Long-term debt, principal amount |
$ 2,000
|
|
$ 2,000
|
| Long-term debt, effective interest rate |
3.46%
|
|
3.46%
|
| Long-term debt, stated interest rate |
3.45%
|
|
3.45%
|
| Long-term debt, maturity date |
May 20, 2025
|
|
May 20, 2025
|
| May 2015 Notes: Fixed-rate 4.65% notes due May 20, 2035 [Member] |
|
|
|
| Long-term Debt [Abstract] |
|
|
|
| Long-term debt, principal amount |
$ 1,000
|
|
$ 1,000
|
| Long-term debt, effective interest rate |
4.73%
|
|
4.73%
|
| Long-term debt, stated interest rate |
4.65%
|
|
4.65%
|
| Long-term debt, maturity date |
May 20, 2035
|
|
May 20, 2035
|
| May 2015 Notes: Fixed-rate 4.80% notes due May 20, 2045 [Member] |
|
|
|
| Long-term Debt [Abstract] |
|
|
|
| Long-term debt, principal amount |
$ 1,500
|
|
$ 1,500
|
| Long-term debt, effective interest rate |
4.72%
|
|
4.72%
|
| Long-term debt, stated interest rate |
4.80%
|
|
4.80%
|
| Long-term debt, maturity date |
May 20, 2045
|
|
May 20, 2045
|
| May 2017 Notes: Floating-rate three-month LIBOR plus 0.73% notes due January 30, 2023 [Member] |
|
|
|
| Long-term Debt [Abstract] |
|
|
|
| Long-term debt, principal amount |
$ 500
|
|
$ 500
|
| Long-term debt, effective interest rate |
3.32%
|
|
3.14%
|
| Long-term debt, maturity date |
Jan. 30, 2023
|
|
Jan. 30, 2023
|
| Long-term debt, basis spread on variable rate |
0.73%
|
|
0.73%
|
| Long-term debt, interest rate terms |
Variable per annum rate equal to three-month LIBOR as determined on the interest determination date plus 0.73%.
|
|
|
| May 2017 Notes: Fixed-rate 2.60% notes due January 30, 2023 [Member] |
|
|
|
| Long-term Debt [Abstract] |
|
|
|
| Long-term debt, principal amount |
$ 1,500
|
|
$ 1,500
|
| Long-term debt, effective interest rate |
2.70%
|
|
2.70%
|
| Long-term debt, stated interest rate |
2.60%
|
|
2.60%
|
| Long-term debt, maturity date |
Jan. 30, 2023
|
|
Jan. 30, 2023
|
| May 2017 Notes: Fixed-rate 2.90% notes due May 20, 2024 [Member] |
|
|
|
| Long-term Debt [Abstract] |
|
|
|
| Long-term debt, principal amount |
$ 1,500
|
|
$ 1,500
|
| Long-term debt, effective interest rate |
3.01%
|
|
3.01%
|
| Long-term debt, stated interest rate |
2.90%
|
|
2.90%
|
| Long-term debt, maturity date |
May 20, 2024
|
|
May 20, 2024
|
| May 2017 Notes: Fixed-rate 3.25% notes due May 20, 2027 [Member] |
|
|
|
| Long-term Debt [Abstract] |
|
|
|
| Long-term debt, principal amount |
$ 2,000
|
|
$ 2,000
|
| Long-term debt, effective interest rate |
3.46%
|
|
3.46%
|
| Long-term debt, stated interest rate |
3.25%
|
|
3.25%
|
| Long-term debt, maturity date |
May 20, 2027
|
|
May 20, 2027
|
| May 2017 Notes: Fixed-rate 4.30% notes due May 20, 2047 [Member] |
|
|
|
| Long-term Debt [Abstract] |
|
|
|
| Long-term debt, principal amount |
$ 1,500
|
|
$ 1,500
|
| Long-term debt, effective interest rate |
4.47%
|
|
4.47%
|
| Long-term debt, stated interest rate |
4.30%
|
|
4.30%
|
| Long-term debt, maturity date |
May 20, 2047
|
|
May 20, 2047
|
| Interest Rate Swap [Member] |
|
|
|
| Long-term Debt [Abstract] |
|
|
|
| Gross notional amount of derivatives |
$ 1,800
|
|
|