Pension, Retiree Medical and Savings Plans (Categorized Plan Assets Measured at Fair Value) (Details) - USD ($) $ in Millions | 12 Months Ended |
Dec. 27, 2014 | Dec. 28, 2013 | Dec. 29, 2012 |
U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1] | $ 12,639 | $ 11,868 | |
International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | | 3,002 | 2,777 | |
Retiree Medical Plan | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | | 415 | 406 | $ 365 |
U.S. Savings Plan | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Contribution Plan, Cost Recognized | | 130 | 122 | $ 109 |
U.S. Common Stock | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1],[2] | 966 | 732 | |
U.S. Common Stock | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [2] | 5 | 4 | |
U.S. Common Stock | Level 1 | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1],[2] | 966 | | |
U.S. Common Stock | Level 1 | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [2] | 5 | | |
U.S. Common Stock | Level 2 | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1],[2] | 0 | | |
U.S. Common Stock | Level 2 | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [2] | 0 | | |
U.S. Common Stock | Level 3 | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1],[2] | 0 | | |
U.S. Common Stock | Level 3 | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [2] | 0 | | |
U.S. Commingled Funds | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1],[3],[4] | 3,437 | 3,334 | |
U.S. Commingled Funds | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [3] | 373 | 334 | |
U.S. Commingled Funds | Level 1 | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1],[3],[4] | 0 | | |
U.S. Commingled Funds | Level 1 | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [3] | 0 | | |
U.S. Commingled Funds | Level 2 | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1],[3],[4] | 3,437 | | |
U.S. Commingled Funds | Level 2 | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [3] | 373 | | |
U.S. Commingled Funds | Level 3 | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1],[3],[4] | 0 | | |
U.S. Commingled Funds | Level 3 | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [3] | 0 | | |
International Common Stock [Member] | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1],[2] | 1,488 | 1,669 | |
International Common Stock [Member] | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [2] | 171 | 176 | |
International Common Stock [Member] | Level 1 | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1],[2] | 1,488 | | |
International Common Stock [Member] | Level 1 | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [2] | 171 | | |
International Common Stock [Member] | Level 2 | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1],[2] | 0 | | |
International Common Stock [Member] | Level 2 | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [2] | 0 | | |
International Common Stock [Member] | Level 3 | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1],[2] | 0 | | |
International Common Stock [Member] | Level 3 | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [2] | 0 | | |
International Commingled Fund | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1],[5] | 876 | 902 | |
International Commingled Fund | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [5] | 918 | 914 | |
International Commingled Fund | Level 1 | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1],[5] | 0 | | |
International Commingled Fund | Level 1 | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [5] | 0 | | |
International Commingled Fund | Level 2 | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1],[5] | 876 | | |
International Commingled Fund | Level 2 | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [5] | 918 | | |
International Commingled Fund | Level 3 | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1],[5] | 0 | | |
International Commingled Fund | Level 3 | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [5] | 0 | | |
Preferred Stock | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1],[6] | 22 | 18 | |
Preferred Stock | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [6] | 1 | 1 | |
Preferred Stock | Level 1 | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1],[6] | 0 | | |
Preferred Stock | Level 1 | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [6] | 0 | | |
Preferred Stock | Level 2 | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1],[6] | 22 | | |
Preferred Stock | Level 2 | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [6] | 1 | | |
Preferred Stock | Level 3 | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1],[6] | 0 | | |
Preferred Stock | Level 3 | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [6] | 0 | | |
Government Securities | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1],[6] | 1,279 | 1,264 | |
Government Securities | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [6] | 454 | $ 207 | |
Government Securities | Level 1 | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1],[6] | 0 | | |
Government Securities | Level 1 | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [6] | 0 | | |
Government Securities | Level 2 | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1],[6] | 1,279 | | |
Government Securities | Level 2 | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [6] | 454 | | |
Government Securities | Level 3 | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1],[6] | 0 | | |
Government Securities | Level 3 | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [6] | $ 0 | | |
Corporate Bonds | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Representation of one fund in total U.S. plan assets | | 23.00% | 21.00% | |
Corporate Bonds | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1],[6],[7] | $ 3,338 | $ 2,958 | |
Corporate Bonds | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [6] | 320 | 261 | |
Corporate Bonds | Level 1 | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1],[6],[7] | 0 | | |
Corporate Bonds | Level 1 | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [6] | 0 | | |
Corporate Bonds | Level 2 | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1],[6],[7] | 3,338 | | |
Corporate Bonds | Level 2 | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [6] | 320 | | |
Corporate Bonds | Level 3 | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1],[6],[7] | 0 | | |
Corporate Bonds | Level 3 | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [6] | 0 | | |
Mortgage-Backed Securities | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1],[6] | 274 | 220 | |
Mortgage-Backed Securities | Level 1 | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1],[6] | 0 | | |
Mortgage-Backed Securities | Level 2 | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1],[6] | 274 | | |
Mortgage-Backed Securities | Level 3 | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1],[6] | 0 | | |
Contracts With Insurance Companies | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1],[8] | 6 | 6 | |
Contracts With Insurance Companies | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [8] | 36 | 34 | |
Contracts With Insurance Companies | Level 1 | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1],[8] | 0 | | |
Contracts With Insurance Companies | Level 1 | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [8] | 0 | | |
Contracts With Insurance Companies | Level 2 | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1],[8] | 0 | | |
Contracts With Insurance Companies | Level 2 | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [8] | 0 | | |
Contracts With Insurance Companies | Level 3 | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1],[8] | 6 | | |
Contracts With Insurance Companies | Level 3 | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [8] | 36 | | |
Cash And Cash Equivalents | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1] | 267 | 154 | |
Cash And Cash Equivalents | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | | 21 | 15 | |
Cash And Cash Equivalents | Level 1 | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1] | 267 | | |
Cash And Cash Equivalents | Level 1 | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | | 21 | | |
Cash And Cash Equivalents | Level 2 | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1] | 0 | | |
Cash And Cash Equivalents | Level 2 | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | | 0 | | |
Cash And Cash Equivalents | Level 3 | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1] | 0 | | |
Cash And Cash Equivalents | Level 3 | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | | 0 | | |
Sub-Total U.S. Plan Assets | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1] | 12,582 | 11,809 | |
Sub-Total U.S. Plan Assets | Level 1 | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1] | 2,721 | | |
Sub-Total U.S. Plan Assets | Level 2 | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1] | 9,226 | | |
Sub-Total U.S. Plan Assets | Level 3 | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1] | 635 | | |
Fixed Income Commingled Funds | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [9] | 517 | 650 | |
Fixed Income Commingled Funds | Level 1 | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [9] | 0 | | |
Fixed Income Commingled Funds | Level 2 | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [9] | 517 | | |
Fixed Income Commingled Funds | Level 3 | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [9] | 0 | | |
Currency Commingled Funds | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [10] | 87 | 91 | |
Currency Commingled Funds | Level 1 | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [10] | 0 | | |
Currency Commingled Funds | Level 2 | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [10] | 87 | | |
Currency Commingled Funds | Level 3 | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [10] | 0 | | |
Real Estate Funds [Member] | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1],[11] | 629 | 552 | |
Real Estate Funds [Member] | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [11] | 92 | 83 | |
Real Estate Funds [Member] | Level 1 | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1],[11] | 0 | | |
Real Estate Funds [Member] | Level 1 | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [11] | 0 | | |
Real Estate Funds [Member] | Level 2 | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1],[11] | 0 | | |
Real Estate Funds [Member] | Level 2 | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [11] | 0 | | |
Real Estate Funds [Member] | Level 3 | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1],[11] | 629 | | |
Real Estate Funds [Member] | Level 3 | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [11] | 92 | | |
Sub-Total International Plan Assets | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | | 2,995 | 2,770 | |
Sub-Total International Plan Assets | Level 1 | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | | 197 | | |
Sub-Total International Plan Assets | Level 2 | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | | 2,670 | | |
Sub-Total International Plan Assets | Level 3 | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | | 128 | | |
Dividends And Interest Receivable | U.S. Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | [1] | 57 | 59 | |
Dividends And Interest Receivable | International Plan Assets | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | | $ 7 | $ 7 | |
Large-Cap Fund(s) In U.S. Commingled Funds | | | | |
Defined Benefit Plan Disclosure [Line Items] | | | | |
Representation of one fund in total U.S. plan assets | | 25.00% | 25.00% | |
| |
[1] | 2014 and 2013 amounts include $415 million and $406 million, respectively, of retiree medical plan assets that are restricted for purposes of providing health benefits for U.S. retirees and their beneficiaries. | |
[2] | Based on quoted market prices in active markets. | |
[3] | Based on the fair value of the investments owned by these funds that track various U.S. large, mid-cap and small company indices. | |
[4] | Includes one large-cap fund that represents 25% of total U.S. plan assets for both 2014 and 2013. | |
[5] | Based on the fair value of the investments owned by these funds that track various non-U.S. equity indices. | |
[6] | Based on quoted bid prices for comparable securities in the marketplace and broker/dealer quotes in active markets. | |
[7] | Corporate bonds of U.S.-based companies represent 23% and 21%, respectively, of total U.S. plan assets for 2014 and 2013. | |
[8] | Based on the fair value of the contracts as determined by the insurance companies using inputs that are not observable. | |
[9] | Based on the fair value of the investments owned by these funds that track various government and corporate bond indices. | |
[10] | Based on the fair value of the investments owned by this fund that invests primarily in derivatives to hedge currency exposure. | |
[11] | Based on the appraised value of the investments owned by these funds as determined by independent third parties using inputs that are not observable. | |