Income Taxes (Income Taxes) (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 25, 2021	Dec. 26, 2020
Income Tax Contingency [Line Items]
Tax Adjustments, Settlements, and Unusual Provisions	$ 233	$ 112
Impact of Swiss Tax Reform		72
Transition tax, payments made	309	309	$ 78
Income before income taxes in U.S	7,305	3,740	4,070
Income before income taxes in Foreign	3,400	6,081	4,999
Income before income taxes	10,705	9,821	9,069
Income Tax Expense (Benefit), Continuing Operations [Abstract]
Current: U.S. Federal	1,137	702	715
Current: Foreign	1,027	955	932
Current: State	246	44	110
Provision for income taxes, Current total	2,410	1,701	1,757
Deferred: U.S. Federal	22	375	273
Deferred: Foreign	(709)	(14)	(167)
Deferred: State	4	80	31
Provision for income taxes, Deferred total	(683)	441	137
Provision for income taxes	$ 1,727	$ 2,142	$ 1,894
U.S. Federal statutory tax rate
U.S. Federal statutory tax rate	21.00%	21.00%	21.00%
State income tax, net of U.S. Federal tax benefit	1.80%	1.00%	1.20%
Lower taxes on foreign results	(1.50%)	(1.60%)	(0.80%)
Provisional One Time Mandatory Repatriation TCJ Act, Percent	0.80%	1.90%	0.00%
International Reorganization	(2.40%)	0.00%	0.00%
Effective Income Tax Rate Reconciliation, Percent	16.10%	21.80%	20.90%
Other, net	(0.60%)	(0.50%)	(0.50%)
Annual tax rate	16.10%	21.80%	20.90%
Deferred tax liabilities
Debt guarantee of wholly-owned subsidiary	$ 578	$ 578
Property, plant and equipment	2,126	2,036
Deferred tax liability, recapture of NOL	492	504
Deferred Tax Liabilities, Deferred Expense	189	216
Deferred Tax - Lease liability	534	450
Deferred Tax Liability - Investment in TBG	186	0
Other	232	254
Gross deferred tax liabilities	4,337	4,038
Deferred tax assets
Net carryforwards	5,342	4,974
Deferred Tax Assets, Goodwill and Intangible Assets	1,614	1,111
Share-based compensation	120	98
Retiree medical benefits	118	147
Other employee-related benefits	349	379
Deductible state tax and interest benefits	144	149
Deferred Tax - Right of Use Asset	534	450
Deferred Tax Asset - capitalized research and development	150	0
Other	1,050	842
Gross deferred tax assets	9,421	8,150
Valuation allowances	(5,013)	(4,628)	$ (4,686)
Deferred tax assets, net	4,408	3,522
Deferred Tax Assets, Net		516
Deferred Tax Assets, Net	71
Valuation Allowance [Abstract]
Balance, beginning of year	(4,628)	(4,686)	(3,599)
Provision	492	(9)	1,082
Other (deductions)/additions	(107)	(49)	5
Balance, end of year	$ (5,013)	$ (4,628)	(4,686)
Net tax (benefit)/expense related to the TCJ Act per share	$ 0.06	$ 0.14
Unrecognized Tax Benefits	$ 1,867	$ 1,900	$ 1,621
Additions for tax positions related to the current year	228	222
Additions for tax positions from prior years	206	681
Reductions for tax positions from prior years	(357)	(558)
Settlement payments	(53)	(25)
Statutes of limitations expiration	(36)	(39)
Translation and other	$ (21)	$ (2)
Tax benefits	(3.00%)	0.00%	0.00%
Net non-cash tax benefit related to the TCJ Act - per share	$ 0.17
Tax adjustments, settlements, and unusual - per share		$ 0.08
Impact of Swiss Tax reform - per share	$ 0.05