Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

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Debt (Details) € in Millions, $ in Millions	Mar. 27, 2020 EUR (€)	Mar. 27, 2020 USD ($)	Sep. 27, 2019 USD ($)
Debt
Ownership percentage in TEGSA	100.00%	100.00%
Fair value of debt		$ 4,697	$ 4,278
Long-term debt		3,752	3,395
Short-term debt		$ 603	570
0.00% euro-denominated senior notes due 2025
Debt
Debt Instrument, Face Amount \| €	€ 550
Debt instrument, interest rate (as a percent)	0.00%	0.00%
Commercial paper
Debt
Commercial paper		$ 0	$ 219
Weighted-average interest rate (as a percent)			2.20%
4.875% senior notes due 2021
Debt
Debt instrument, interest rate (as a percent)	4.875%	4.875%
Reclassification \| 4.875% senior notes due 2021
Debt
Long-term debt		$ (250)
Short-term debt		$ 250