Debt Obligations and Commitments (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 25, 2021	Dec. 30, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Debt Instrument, Repurchase Amount	$ 4,800
Extinguishment of Debt, Gain (Loss), Net of Tax	(677)
Gain (Loss) on Extinguishment of Debt	$ (842)
Extinguishment of Debt, Gain (Loss), Per Share, Net of Tax	$ (0.49)
Line of Credit Facility, Outstanding Borrowings		$ 0
International Divisions
Debt Instrument [Line Items]
Line of Credit Facility, Amount Outstanding		279	$ 304
Interest Rate Swap [Member] | Note Due October 2021
Debt Instrument [Line Items]
Derivative, Notional Amount	$ 250
One Point Seven Percent Notes Due October 2021 | Note Due October 2021
Debt Instrument [Line Items]
Debt Instrument, Repurchase Amount	$ 750
Interest rate on debt	1.70%
Debt Instrument, Repurchased Face Amount	$ 750
Two Point Two Five Percent Notes Due 2022 | Notes Due 2022 [Member]
Debt Instrument [Line Items]
Debt Instrument, Repurchase Amount			$ 750
Interest rate on debt			2.25%
Debt Instrument, Repurchased Face Amount			$ 750
Three Point Ten Percent Notes Due 2022 | Notes Due 2022 [Member]
Debt Instrument [Line Items]
Debt Instrument, Repurchase Amount			$ 800
Interest rate on debt			3.10%
Debt Instrument, Repurchased Face Amount			$ 800
Seven Percent Notes Due 2029 and Five Point Five Percent Notes Due 2035 [Member] | Notes Due 2029 And 2035
Debt Instrument [Line Items]
Debt Instrument, Repurchase Amount			154
Debt Instrument, Repurchased Face Amount			$ 133
Multi Tranche Notes Due 2023-2026 | Defeasance of Long Term Debt
Debt Instrument [Line Items]
Debt Instrument, Repurchase Amount		102
Debt Instrument, Face Amount		94
Seven Percent Notes Due 2029 | Notes Due 2029
Debt Instrument [Line Items]
Interest rate on debt			7.00%
Five Point Five Percent Notes Due 2035 | Notes Due 2035 [Member]
Debt Instrument [Line Items]
Interest rate on debt	5.50%		5.50%
Three Point Three Seven Five Percent To Five Point Five Percent Notes Due 2035 to 2060. | Notes Due 2035 To 2060
Debt Instrument [Line Items]
Debt Instrument, Repurchased Face Amount	$ 4,100
Three Point Three Seven Five Percent Notes Due 2049 [Member] | Notes Due 2049 [Member]
Debt Instrument [Line Items]
Interest rate on debt	3.375%
Five Year Unsecured Revolving Credit Agreement
Debt Instrument [Line Items]
Line of Credit Facility, Current Borrowing Capacity		4,200	$ 3,800
Line of Credit Swing Line Subfacility		750
Line of Credit Facility, Maximum Borrowing Capacity		4,950
364 Day Unsecured Revolving Credit Agreement Member
Debt Instrument [Line Items]
Line of Credit Facility, Current Borrowing Capacity		4,200	$ 3,800
Line of Credit Facility, Maximum Borrowing Capacity		$ 4,950