Fair Value Measurements Fair Value Measurements (Details 2) (Details) (USD $) In Millions, unless otherwise specified	Sep. 29, 2013	Dec. 30, 2012
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Short-term Debt	$ 5,359	$ 4,676
Long-term Debt, Excluding Current Maturities	9,748	11,489
Carrying Amount [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Cash	2,701
Government securities and obligations	19,884
Corporate debt securities	611
Money market funds	1,399
Time deposits	633
Total cash, cash equivalents and current marketable securities	25,228
Short-term Debt	5,359
Long-term Debt, Excluding Current Maturities	9,748
Estimate of Fair Value, Fair Value Disclosure [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Cash	2,701
Government securities and obligations	19,884
Corporate debt securities	611
Money market funds	1,399
Time deposits	633
Total cash, cash equivalents and current marketable securities	25,228
Short-term Debt	5,359
Long-term Debt, Excluding Current Maturities	11,286
2.15% Notes due 2016 | Carrying Amount [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Long-term Debt, Excluding Current Maturities	898
2.15% Notes due 2016 | Estimate of Fair Value, Fair Value Disclosure [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Long-term Debt, Excluding Current Maturities	932
5.55% Debentures due 2017 | Carrying Amount [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Long-term Debt, Excluding Current Maturities	1,000
5.55% Debentures due 2017 | Estimate of Fair Value, Fair Value Disclosure [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Long-term Debt, Excluding Current Maturities	1,159
5.15% Debentures due 2018 | Carrying Amount [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Long-term Debt, Excluding Current Maturities	898
5.15% Debentures due 2018 | Estimate of Fair Value, Fair Value Disclosure [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Long-term Debt, Excluding Current Maturities	1,041
4.75% Notes due 2019 (1B Euro 1.3503) | Carrying Amount [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Long-term Debt, Excluding Current Maturities	1,345
4.75% Notes due 2019 (1B Euro 1.3503) | Estimate of Fair Value, Fair Value Disclosure [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Long-term Debt, Excluding Current Maturities	1,605
3% Zero Coupon Convertible Subordinated Debentures due in 2020 | Carrying Amount [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Long-term Debt, Excluding Current Maturities	178
3% Zero Coupon Convertible Subordinated Debentures due in 2020 | Estimate of Fair Value, Fair Value Disclosure [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Long-term Debt, Excluding Current Maturities	260
2.95% Debentures due 2020 | Carrying Amount [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Long-term Debt, Excluding Current Maturities	542
2.95% Debentures due 2020 | Estimate of Fair Value, Fair Value Disclosure [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Long-term Debt, Excluding Current Maturities	564
3.55% Notes due 2021 | Carrying Amount [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Long-term Debt, Excluding Current Maturities	446
3.55% Notes due 2021 | Estimate of Fair Value, Fair Value Disclosure [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Long-term Debt, Excluding Current Maturities	470
6.73% Debentures due 2023 | Carrying Amount [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Long-term Debt, Excluding Current Maturities	250
6.73% Debentures due 2023 | Estimate of Fair Value, Fair Value Disclosure [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Long-term Debt, Excluding Current Maturities	323
5.50% Notes due 2024 (500 GBP 1.6042) | Carrying Amount [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Long-term Debt, Excluding Current Maturities	797
5.50% Notes due 2024 (500 GBP 1.6042) | Estimate of Fair Value, Fair Value Disclosure [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Long-term Debt, Excluding Current Maturities	965
6.95% Notes due 2029 | Carrying Amount [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Long-term Debt, Excluding Current Maturities	296
6.95% Notes due 2029 | Estimate of Fair Value, Fair Value Disclosure [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Long-term Debt, Excluding Current Maturities	404
4.95% Debentures due 2033 | Carrying Amount [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Long-term Debt, Excluding Current Maturities	500
4.95% Debentures due 2033 | Estimate of Fair Value, Fair Value Disclosure [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Long-term Debt, Excluding Current Maturities	561
5.95% Notes due 2037 | Carrying Amount [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Long-term Debt, Excluding Current Maturities	995
5.95% Notes due 2037 | Estimate of Fair Value, Fair Value Disclosure [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Long-term Debt, Excluding Current Maturities	1,226
5.85% Debentures due 2038 | Carrying Amount [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Long-term Debt, Excluding Current Maturities	700
5.85% Debentures due 2038 | Estimate of Fair Value, Fair Value Disclosure [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Long-term Debt, Excluding Current Maturities	832
4.50% Debentures due 2040 | Carrying Amount [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Long-term Debt, Excluding Current Maturities	539
4.50% Debentures due 2040 | Estimate of Fair Value, Fair Value Disclosure [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Long-term Debt, Excluding Current Maturities	556
4.85% Notes due 2041 | Carrying Amount [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Long-term Debt, Excluding Current Maturities	298
4.85% Notes due 2041 | Estimate of Fair Value, Fair Value Disclosure [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Long-term Debt, Excluding Current Maturities	322
Other | Carrying Amount [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Long-term Debt, Excluding Current Maturities	66
Other | Estimate of Fair Value, Fair Value Disclosure [Member]
Cash, Cash Equivalents, and Short-term Investments [Abstract]
Long-term Debt, Excluding Current Maturities	$ 66