Debt Long-term Debt Footnote O (Details) - USD ($) $ in Millions |
1 Months Ended | 9 Months Ended | 12 Months Ended | ||
---|---|---|---|---|---|
Aug. 31, 2019 |
Nov. 30, 2009 |
Sep. 28, 2019 |
Dec. 28, 2019 |
Dec. 29, 2018 |
|
Debt Instrument [Line Items] | |||||
Debt repurchase amount | $ 1,000 | ||||
Interest expense | $ 15 | $ 284 | $ 287 | ||
4.15% U.S. Dollar Notes Due 2019 | |||||
Debt Instrument [Line Items] | |||||
Debt Instrument, Face Amount | $ 500 | ||||
Debt Instrument, Term | 10 years | ||||
Debt instrument, stated interest rate | 4.15% | 4.15% | 4.15% | ||
Debt repurchase amount | $ 191 | $ 309 | |||
Interest expense | $ 1 | $ 1 | |||
6.6% U.S. Dollar Notes Due 2011 | |||||
Debt Instrument [Line Items] | |||||
Debt instrument, stated interest rate | 6.60% |