|
Retirement Benefits Plans - Fair Value of Pension Plan Assets (Details 11) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | |
|---|---|---|
|
Dec. 31, 2013
|
Dec. 31, 2012
|
|
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | $ 4,372 | $ 3,855 |
| United States pension plans percentage of worldwide pension assets | 67.00% | |
| United Kingdom pension plans percentage of worldwide pension assets | 26.00% | |
| United States pension plans' target allocation of United States equities | 36.00% | |
| United States pension plans' target allocation of non-United States equities | 32.00% | |
| United States pension plans' target allocation of real estate | 7.00% | |
| United States pension plans' target allocation of debt securities and other, including cash equivalents | 25.00% | |
| United Kingdom pension plans' target allocation of equities | 57.00% | |
|
Quoted prices in active markets for identical assets (Level 1) [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 471 | 416 |
|
Other observable inputs (Level 2) [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 3,801 | 3,398 |
|
Unobservable inputs (Level 3) [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 100 | 41 |
|
Non-United States Equity and Global Equities [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 1,453 | 1,313 |
|
Non-United States Equity and Global Equities [Member] | Quoted prices in active markets for identical assets (Level 1) [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 0 | 0 |
|
Non-United States Equity and Global Equities [Member] | Other observable inputs (Level 2) [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 1,453 | 1,313 |
|
Non-United States Equity and Global Equities [Member] | Unobservable inputs (Level 3) [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 0 | 0 |
|
United States Equity [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 1,153 | 978 |
|
United States Equity [Member] | Quoted prices in active markets for identical assets (Level 1) [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 0 | 0 |
|
United States Equity [Member] | Other observable inputs (Level 2) [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 1,153 | 978 |
|
United States Equity [Member] | Unobservable inputs (Level 3) [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 0 | 0 |
|
Fixed Income [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 609 | 538 |
|
Fixed Income [Member] | Quoted prices in active markets for identical assets (Level 1) [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 0 | 0 |
|
Fixed Income [Member] | Other observable inputs (Level 2) [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 609 | 538 |
|
Fixed Income [Member] | Unobservable inputs (Level 3) [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 0 | 0 |
|
Long Duration Funds [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 63 | 61 |
|
Long Duration Funds [Member] | Quoted prices in active markets for identical assets (Level 1) [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 0 | 0 |
|
Long Duration Funds [Member] | Other observable inputs (Level 2) [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 63 | 61 |
|
Long Duration Funds [Member] | Unobservable inputs (Level 3) [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 0 | 0 |
|
Exchange Traded Funds [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 64 | 43 |
|
Exchange Traded Funds [Member] | Quoted prices in active markets for identical assets (Level 1) [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 0 | 0 |
|
Exchange Traded Funds [Member] | Other observable inputs (Level 2) [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 64 | 43 |
|
Exchange Traded Funds [Member] | Unobservable inputs (Level 3) [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 0 | 0 |
|
Fixed Income Securities [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 274 | 331 |
|
Fixed Income Securities [Member] | Quoted prices in active markets for identical assets (Level 1) [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 0 | 0 |
|
Fixed Income Securities [Member] | Other observable inputs (Level 2) [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 274 | 331 |
|
Fixed Income Securities [Member] | Unobservable inputs (Level 3) [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 0 | 0 |
|
United States treasuries [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 63 | 143 |
|
United States treasuries [Member] | Quoted prices in active markets for identical assets (Level 1) [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 63 | 143 |
|
United States treasuries [Member] | Other observable inputs (Level 2) [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 0 | 0 |
|
United States treasuries [Member] | Unobservable inputs (Level 3) [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 0 | 0 |
|
Real Estate Securities [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 220 | 124 |
|
Real Estate Securities [Member] | Quoted prices in active markets for identical assets (Level 1) [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 214 | 119 |
|
Real Estate Securities [Member] | Other observable inputs (Level 2) [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 0 | 0 |
|
Real Estate Securities [Member] | Unobservable inputs (Level 3) [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 6 | 5 |
|
Equity Securities [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 141 | 104 |
|
Equity Securities [Member] | Quoted prices in active markets for identical assets (Level 1) [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 141 | 104 |
|
Equity Securities [Member] | Other observable inputs (Level 2) [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 0 | 0 |
|
Equity Securities [Member] | Unobservable inputs (Level 3) [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 0 | 0 |
|
Cash Equivalents [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 187 | 140 |
|
Cash Equivalents [Member] | Quoted prices in active markets for identical assets (Level 1) [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 6 | 7 |
|
Cash Equivalents [Member] | Other observable inputs (Level 2) [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 181 | 133 |
|
Cash Equivalents [Member] | Unobservable inputs (Level 3) [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 0 | 0 |
|
Exchange Traded Funds [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 47 | 40 |
|
Exchange Traded Funds [Member] | Quoted prices in active markets for identical assets (Level 1) [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 47 | 40 |
|
Exchange Traded Funds [Member] | Other observable inputs (Level 2) [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 0 | 0 |
|
Exchange Traded Funds [Member] | Unobservable inputs (Level 3) [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 0 | 0 |
|
Other Pension Plan Assets [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 98 | 40 |
|
Other Pension Plan Assets [Member] | Quoted prices in active markets for identical assets (Level 1) [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 0 | 3 |
|
Other Pension Plan Assets [Member] | Other observable inputs (Level 2) [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | 4 | 1 |
|
Other Pension Plan Assets [Member] | Unobservable inputs (Level 3) [Member]
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Total pension plan assets | $ 94 | $ 36 |