Debt Obligations And Commitments (Schedule Of Long And Short-Term Debt Contractual Commitments) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 25, 2010
Debt Instrument [Line Items]
Short-term debt obligations	$ 6,205	$ 4,898
Long-term debt obligations gross	23,117	21,625
Total	20,568	19,999
Current Maturities Of Long-Term Debt [Member]
Debt Instrument [Line Items]
Current maturities of long-term debt	2,549	1,626
Less: current maturities of long-term debt obligations	(2,549)	(1,626)
Commercial Paper (0.1% And 0.2%) [Member]
Debt Instrument [Line Items]
Commercial paper (0.1% and 0.2%)	2,973	2,632
Interest rate on debt	0.10%	0.20%
Other Borrowings (7.6% And 5.3%) [Member]
Debt Instrument [Line Items]
Other borrowings (7.6% and 5.3%)	683	640
Interest rate on debt	7.60%	5.30%
Notes Due 2011(4.4%) [Member]
Debt Instrument [Line Items]
Notes due		1,513
Interest rate on debt		4.40%
Notes Due 2012 (3.0% And 3.1%) [Member]
Debt Instrument [Line Items]
Notes due	2,353	2,437
Interest rate on debt	3.00%	3.10%
Notes Due 2013 (2.3% And 3.0%) [Member]
Debt Instrument [Line Items]
Notes due	2,841	2,110
Interest rate on debt	2.30%	3.00%
Notes Due 2014 (4.6% And 5.3%) [Member]
Debt Instrument [Line Items]
Notes due	3,335	2,888
Interest rate on debt	4.60%	5.30%
Notes Due 2015 (2.3% And 2.6%) [Member]
Debt Instrument [Line Items]
Notes due	1,632	1,617
Interest rate on debt	2.30%	2.60%
Notes Due 2016 (3.9% And 5.5%) [Member]
Debt Instrument [Line Items]
Notes due	1,876	875
Interest rate on debt	3.90%	5.50%
Notes Due 2017-2040 (4.8% And 4.9%) [Member]
Debt Instrument [Line Items]
Notes due	10,806	9,953
Interest rate on debt	4.80%	4.90%
Other, Due 2012-2020 (9.9% And 9.8%) [Member]
Debt Instrument [Line Items]
Interest rate on debt	9.90%	9.80%
Other Notes due	$ 274	$ 232