Borrowings (Details) - USD ($)
$ in Millions |
Jan. 03, 2016 |
Dec. 28, 2014 |
| Debt Instrument [Line Items] |
|
|
|
|
|
| Long-term Debt, Excluding Current Maturities |
|
$ 12,857
|
|
$ 15,122
|
|
| Debt Instrument, Interest Rate, Effective Percentage |
[1] |
4.06%
|
|
4.08%
|
|
| 2.15% Notes due 2016 |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Debt Instrument, Interest Rate, Stated Percentage |
|
2.15%
|
|
2.15%
|
|
| Long-term Debt, Excluding Current Maturities |
|
$ 900
|
|
$ 898
|
|
| Debt Instrument, Interest Rate, Effective Percentage |
|
2.22%
|
|
2.22%
|
|
| 3 month LIBOR0.07% FRN due 2016 |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Long-term Debt, Excluding Current Maturities |
|
$ 800
|
|
$ 800
|
|
| Debt Instrument, Interest Rate, Effective Percentage |
|
0.48%
|
|
0.31%
|
|
| 0.70% Notes due 2016 |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Debt Instrument, Interest Rate, Stated Percentage |
|
0.70%
|
|
0.70%
|
|
| Long-term Debt, Excluding Current Maturities |
|
$ 398
|
|
$ 398
|
|
| Debt Instrument, Interest Rate, Effective Percentage |
|
0.74%
|
|
0.74%
|
|
| 5.55% Debentures due 2017 |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Debt Instrument, Interest Rate, Stated Percentage |
|
5.55%
|
|
5.55%
|
|
| Long-term Debt, Excluding Current Maturities |
|
$ 1,000
|
|
$ 1,000
|
|
| Debt Instrument, Interest Rate, Effective Percentage |
|
5.55%
|
|
5.55%
|
|
| 1.125% Notes due 2017 |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Debt Instrument, Interest Rate, Stated Percentage |
|
1.125%
|
|
1.125%
|
|
| Long-term Debt, Excluding Current Maturities |
|
$ 700
|
|
$ 697
|
|
| Debt Instrument, Interest Rate, Effective Percentage |
|
1.15%
|
|
1.15%
|
|
| 5.15% Debentures due 2018 |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Debt Instrument, Interest Rate, Stated Percentage |
|
5.15%
|
|
5.15%
|
|
| Long-term Debt, Excluding Current Maturities |
|
$ 899
|
|
$ 898
|
|
| Debt Instrument, Interest Rate, Effective Percentage |
|
5.15%
|
|
5.15%
|
|
| 1.65% Notes due 2018 |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Debt Instrument, Interest Rate, Stated Percentage |
|
1.65%
|
|
1.65%
|
|
| Long-term Debt, Excluding Current Maturities |
|
$ 602
|
|
$ 597
|
|
| Debt Instrument, Interest Rate, Effective Percentage |
|
1.70%
|
|
1.70%
|
|
| 4.75% Notes due 2019 (1B Euro 1.0882)(2)/(1B Euro 1.2199)(3) |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Debt Instrument, Interest Rate, Stated Percentage |
|
4.75%
|
|
4.75%
|
|
| Long-term Debt, Excluding Current Maturities |
|
$ 1,085
|
[2] |
$ 1,216
|
[3] |
| Debt Instrument, Interest Rate, Effective Percentage |
|
5.83%
|
|
5.83%
|
|
| 1.875% Notes due 2019 |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Debt Instrument, Interest Rate, Stated Percentage |
|
1.875%
|
|
1.875%
|
|
| Long-term Debt, Excluding Current Maturities |
|
$ 502
|
|
$ 497
|
|
| Debt Instrument, Interest Rate, Effective Percentage |
|
1.93%
|
|
1.93%
|
|
| 3% Zero Coupon Convertible Subordinated Debentures due 2020 |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Debt Instrument, Interest Rate, Stated Percentage |
|
3.00%
|
|
3.00%
|
|
| Long-term Debt, Excluding Current Maturities |
|
$ 137
|
|
$ 158
|
|
| Debt Instrument, Interest Rate, Effective Percentage |
|
3.00%
|
|
3.00%
|
|
| 2.95% Debentures due 2020 |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Debt Instrument, Interest Rate, Stated Percentage |
|
2.95%
|
|
2.95%
|
|
| Long-term Debt, Excluding Current Maturities |
|
$ 545
|
|
$ 543
|
|
| Debt Instrument, Interest Rate, Effective Percentage |
|
3.15%
|
|
3.15%
|
|
| 3.55% Notes due 2021 |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Debt Instrument, Interest Rate, Stated Percentage |
|
3.55%
|
|
3.55%
|
|
| Long-term Debt, Excluding Current Maturities |
|
$ 448
|
|
$ 446
|
|
| Debt Instrument, Interest Rate, Effective Percentage |
|
3.67%
|
|
3.67%
|
|
| 2.45% Notes due 2021 |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Debt Instrument, Interest Rate, Stated Percentage |
|
2.45%
|
|
2.45%
|
|
| Long-term Debt, Excluding Current Maturities |
|
$ 349
|
|
$ 349
|
|
| Debt Instrument, Interest Rate, Effective Percentage |
|
2.48%
|
|
2.48%
|
|
| 6.73% Debentures due 2023 |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Debt Instrument, Interest Rate, Stated Percentage |
|
6.73%
|
|
6.73%
|
|
| Long-term Debt, Excluding Current Maturities |
|
$ 250
|
|
$ 250
|
|
| Debt Instrument, Interest Rate, Effective Percentage |
|
6.73%
|
|
6.73%
|
|
| 3.375% Notes due 2023 |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Debt Instrument, Interest Rate, Stated Percentage |
|
3.375%
|
|
3.375%
|
|
| Long-term Debt, Excluding Current Maturities |
|
$ 811
|
|
$ 812
|
|
| Debt Instrument, Interest Rate, Effective Percentage |
|
3.17%
|
|
3.17%
|
|
| 5.50% Notes due 2024 (500MM GBP 1.4818)(2)/(500MM GBP 1.5542)(3) |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Debt Instrument, Interest Rate, Stated Percentage |
|
5.50%
|
|
5.50%
|
|
| Long-term Debt, Excluding Current Maturities |
|
$ 737
|
[2] |
$ 772
|
[3] |
| Debt Instrument, Interest Rate, Effective Percentage |
|
6.75%
|
|
6.75%
|
|
| 6.95% Notes due 2029 |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Debt Instrument, Interest Rate, Stated Percentage |
|
6.95%
|
|
6.95%
|
|
| Long-term Debt, Excluding Current Maturities |
|
$ 297
|
|
$ 297
|
|
| Debt Instrument, Interest Rate, Effective Percentage |
|
7.14%
|
|
7.14%
|
|
| 4.95% Debentures due 2033 |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Debt Instrument, Interest Rate, Stated Percentage |
|
4.95%
|
|
4.95%
|
|
| Long-term Debt, Excluding Current Maturities |
|
$ 500
|
|
$ 500
|
|
| Debt Instrument, Interest Rate, Effective Percentage |
|
4.95%
|
|
4.95%
|
|
| 4.375% Notes due 2033 |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Debt Instrument, Interest Rate, Stated Percentage |
|
4.375%
|
|
4.375%
|
|
| Long-term Debt, Excluding Current Maturities |
|
$ 864
|
|
$ 865
|
|
| Debt Instrument, Interest Rate, Effective Percentage |
|
4.24%
|
|
4.23%
|
|
| 5.95% Notes due 2037 |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Debt Instrument, Interest Rate, Stated Percentage |
|
5.95%
|
|
5.95%
|
|
| Long-term Debt, Excluding Current Maturities |
|
$ 996
|
|
$ 995
|
|
| Debt Instrument, Interest Rate, Effective Percentage |
|
5.99%
|
|
5.99%
|
|
| 5.85% Debentures due 2038 |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Debt Instrument, Interest Rate, Stated Percentage |
|
5.85%
|
|
5.85%
|
|
| Long-term Debt, Excluding Current Maturities |
|
$ 700
|
|
$ 700
|
|
| Debt Instrument, Interest Rate, Effective Percentage |
|
5.86%
|
|
5.86%
|
|
| 4.50% Debentures due 2040 |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Debt Instrument, Interest Rate, Stated Percentage |
|
4.50%
|
|
4.50%
|
|
| Long-term Debt, Excluding Current Maturities |
|
$ 540
|
|
$ 539
|
|
| Debt Instrument, Interest Rate, Effective Percentage |
|
4.63%
|
|
4.63%
|
|
| 4.85% Notes due 2041 |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Debt Instrument, Interest Rate, Stated Percentage |
|
4.85%
|
|
4.85%
|
|
| Long-term Debt, Excluding Current Maturities |
|
$ 298
|
|
$ 298
|
|
| Debt Instrument, Interest Rate, Effective Percentage |
|
4.89%
|
|
4.89%
|
|
| 4.50% Notes due 2043 |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Debt Instrument, Interest Rate, Stated Percentage |
|
4.50%
|
|
4.50%
|
|
| Long-term Debt, Excluding Current Maturities |
|
$ 499
|
|
$ 499
|
|
| Debt Instrument, Interest Rate, Effective Percentage |
|
4.52%
|
|
4.52%
|
|
| Other |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Long-term Debt, Excluding Current Maturities |
|
$ 104
|
|
$ 105
|
|
| Debt Instrument, Interest Rate, Effective Percentage |
|
0.00%
|
|
0.00%
|
|
| Carrying (Reported) Amount, Fair Value Disclosure [Member] |
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
| Long-term Debt, Excluding Current Maturities |
|
$ 12,857
|
|
$ 15,122
|
|
| Long-term Debt, Current Maturities |
|
2,104
|
|
7
|
|
| Long-term Debt |
[4] |
$ 14,961
|
|
$ 15,129
|
|
|
|