XML 143 R105.htm IDEA: XBRL DOCUMENT v2.4.0.8
Retirement Benefits (Schedule Of Fair Values Of Pension Plan Assets By Asset Category) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2013
Private Equity Partnerships [Member]
Dec. 31, 2012
Private Equity Partnerships [Member]
Dec. 31, 2011
Private Equity Partnerships [Member]
Dec. 31, 2013
Insurance Group Annuity Contracts [Member]
Dec. 31, 2012
Insurance Group Annuity Contracts [Member]
Dec. 31, 2011
Insurance Group Annuity Contracts [Member]
Dec. 31, 2013
United Kingdom [Member]
International Markets [Member]
Dec. 31, 2012
United Kingdom [Member]
International Markets [Member]
Dec. 31, 2013
Japan [Member]
International Markets [Member]
Dec. 31, 2012
Japan [Member]
International Markets [Member]
Dec. 31, 2013
Netherlands [Member]
International Markets [Member]
Dec. 31, 2012
Netherlands [Member]
International Markets [Member]
Dec. 31, 2013
Republic of Korea [Member]
International Markets [Member]
Dec. 31, 2012
Republic of Korea [Member]
International Markets [Member]
Dec. 31, 2013
Germany [Member]
International Markets [Member]
Dec. 31, 2012
Germany [Member]
International Markets [Member]
Dec. 31, 2013
France [Member]
International Markets [Member]
Dec. 31, 2012
France [Member]
International Markets [Member]
Dec. 31, 2013
Switzerland [Member]
International Markets [Member]
Dec. 31, 2012
Switzerland [Member]
International Markets [Member]
Dec. 31, 2013
Emerging Markets [Member]
International Markets [Member]
Dec. 31, 2012
Emerging Markets [Member]
International Markets [Member]
Dec. 31, 2013
No Concentration Greater Than Five Percent In Any One Country [Member]
International Markets [Member]
Dec. 31, 2012
No Concentration Greater Than Five Percent In Any One Country [Member]
International Markets [Member]
Dec. 31, 2013
Corporate Debt With Standard And Poor's (S&P) Rating Lower Than A [Member]
Dec. 31, 2012
Corporate Debt With Standard And Poor's (S&P) Rating Lower Than A [Member]
Dec. 31, 2013
Corporate Debt With Standard And Poor's (S&P) Rating A Or Higher [Member]
Dec. 31, 2012
Corporate Debt With Standard And Poor's (S&P) Rating A Or Higher [Member]
Dec. 31, 2013
U.S. Companies [Member]
Dec. 31, 2012
U.S. Companies [Member]
Dec. 31, 2013
U.S. Companies [Member]
Mutual Funds [Member]
Dec. 31, 2013
US Government Debt Securities and Corporate Debt Securities [Member]
Mutual Funds [Member]
Dec. 31, 2013
International Companies [Member]
Dec. 31, 2012
International Companies [Member]
Dec. 31, 2013
International Companies [Member]
Mutual Funds [Member]
Dec. 31, 2013
Emerging Market Companies [Member]
Dec. 31, 2012
Emerging Market Companies [Member]
Dec. 31, 2013
Domestic Government Securities [Member]
Dec. 31, 2012
Domestic Government Securities [Member]
Dec. 31, 2013
Emerging Market Government Securities [Member]
Dec. 31, 2012
Emerging Market Government Securities [Member]
Dec. 31, 2013
U.S. Buyout Opportunities [Member]
Dec. 31, 2012
U.S. Buyout Opportunities [Member]
Dec. 31, 2013
European Buyout Opportunities [Member]
Dec. 31, 2012
European Buyout Opportunities [Member]
Dec. 31, 2013
Emerging Market 103-12 Investment Trust [Member]
Dec. 31, 2012
Emerging Market 103-12 Investment Trust [Member]
Dec. 31, 2013
Canadian Segregated Balanced Value [Member]
Dec. 31, 2012
Canadian Segregated Balanced Value [Member]
Dec. 31, 2013
Common/Collective Trust [Member]
Dec. 31, 2012
Common/Collective Trust [Member]
Dec. 31, 2013
Minimum [Member]
Private Equity Partnerships [Member]
Dec. 31, 2013
Maximum [Member]
Private Equity Partnerships [Member]
Dec. 31, 2013
Pension Plans [Member]
Dec. 31, 2012
Pension Plans [Member]
Dec. 31, 2011
Pension Plans [Member]
Dec. 31, 2013
Pension Plans [Member]
Cash and Cash Equivalents [Member]
Dec. 31, 2012
Pension Plans [Member]
Cash and Cash Equivalents [Member]
Dec. 31, 2013
Pension Plans [Member]
International Markets [Member]
Dec. 31, 2012
Pension Plans [Member]
International Markets [Member]
Dec. 31, 2013
Pension Plans [Member]
Large-Cap Companies [Member]
Dec. 31, 2012
Pension Plans [Member]
Large-Cap Companies [Member]
Dec. 31, 2013
Pension Plans [Member]
Mid-Cap Companies [Member]
Dec. 31, 2012
Pension Plans [Member]
Mid-Cap Companies [Member]
Dec. 31, 2013
Pension Plans [Member]
Small-Cap Companies [Member]
Dec. 31, 2012
Pension Plans [Member]
Small-Cap Companies [Member]
Dec. 31, 2013
Pension Plans [Member]
Mutual Funds [Member]
Dec. 31, 2013
Pension Plans [Member]
Corporate Bonds [Member]
Dec. 31, 2012
Pension Plans [Member]
Corporate Bonds [Member]
Dec. 31, 2013
Pension Plans [Member]
Government Securities [Member]
Dec. 31, 2012
Pension Plans [Member]
Government Securities [Member]
Dec. 31, 2013
Pension Plans [Member]
U.S. Municipal Securities [Member]
Dec. 31, 2012
Pension Plans [Member]
U.S. Municipal Securities [Member]
Dec. 31, 2013
Pension Plans [Member]
Private Equity Partnerships [Member]
Dec. 31, 2012
Pension Plans [Member]
Private Equity Partnerships [Member]
Dec. 31, 2013
Pension Plans [Member]
Common/Collective And 103-12 Investment Trusts [Member]
Dec. 31, 2012
Pension Plans [Member]
Common/Collective And 103-12 Investment Trusts [Member]
Dec. 31, 2013
Pension Plans [Member]
Insurance Group Annuity Contracts [Member]
Dec. 31, 2012
Pension Plans [Member]
Insurance Group Annuity Contracts [Member]
Dec. 31, 2013
Pension Plans [Member]
Dividend And Interest Receivable [Member]
Dec. 31, 2012
Pension Plans [Member]
Dividend And Interest Receivable [Member]
Dec. 31, 2013
Pension Plans [Member]
Due To/From Brokers For Sale Of Securities [Member]
Dec. 31, 2012
Pension Plans [Member]
Due To/From Brokers For Sale Of Securities [Member]
Dec. 31, 2013
Pension Plans [Member]
Other Assets [Member]
Dec. 31, 2012
Pension Plans [Member]
Other Assets [Member]
Dec. 31, 2013
Pension Plans [Member]
Level 1 [Member]
Dec. 31, 2012
Pension Plans [Member]
Level 1 [Member]
Dec. 31, 2013
Pension Plans [Member]
Level 1 [Member]
Cash and Cash Equivalents [Member]
Dec. 31, 2012
Pension Plans [Member]
Level 1 [Member]
Cash and Cash Equivalents [Member]
Dec. 31, 2013
Pension Plans [Member]
Level 1 [Member]
International Markets [Member]
Dec. 31, 2012
Pension Plans [Member]
Level 1 [Member]
International Markets [Member]
Dec. 31, 2013
Pension Plans [Member]
Level 1 [Member]
Large-Cap Companies [Member]
Dec. 31, 2012
Pension Plans [Member]
Level 1 [Member]
Large-Cap Companies [Member]
Dec. 31, 2013
Pension Plans [Member]
Level 1 [Member]
Mid-Cap Companies [Member]
Dec. 31, 2012
Pension Plans [Member]
Level 1 [Member]
Mid-Cap Companies [Member]
Dec. 31, 2013
Pension Plans [Member]
Level 1 [Member]
Small-Cap Companies [Member]
Dec. 31, 2012
Pension Plans [Member]
Level 1 [Member]
Small-Cap Companies [Member]
Dec. 31, 2013
Pension Plans [Member]
Level 1 [Member]
Mutual Funds [Member]
Dec. 31, 2013
Pension Plans [Member]
Level 1 [Member]
Dividend And Interest Receivable [Member]
Dec. 31, 2012
Pension Plans [Member]
Level 1 [Member]
Dividend And Interest Receivable [Member]
Dec. 31, 2013
Pension Plans [Member]
Level 1 [Member]
Due To/From Brokers For Sale Of Securities [Member]
Dec. 31, 2012
Pension Plans [Member]
Level 1 [Member]
Due To/From Brokers For Sale Of Securities [Member]
Dec. 31, 2013
Pension Plans [Member]
Level 1 [Member]
Other Assets [Member]
Dec. 31, 2012
Pension Plans [Member]
Level 1 [Member]
Other Assets [Member]
Dec. 31, 2013
Pension Plans [Member]
Level 2 [Member]
Dec. 31, 2012
Pension Plans [Member]
Level 2 [Member]
Dec. 31, 2013
Pension Plans [Member]
Level 2 [Member]
Corporate Bonds [Member]
Dec. 31, 2012
Pension Plans [Member]
Level 2 [Member]
Corporate Bonds [Member]
Dec. 31, 2013
Pension Plans [Member]
Level 2 [Member]
Government Securities [Member]
Dec. 31, 2012
Pension Plans [Member]
Level 2 [Member]
Government Securities [Member]
Dec. 31, 2013
Pension Plans [Member]
Level 2 [Member]
U.S. Municipal Securities [Member]
Dec. 31, 2012
Pension Plans [Member]
Level 2 [Member]
U.S. Municipal Securities [Member]
Dec. 31, 2013
Pension Plans [Member]
Level 2 [Member]
Common/Collective And 103-12 Investment Trusts [Member]
Dec. 31, 2012
Pension Plans [Member]
Level 2 [Member]
Common/Collective And 103-12 Investment Trusts [Member]
Dec. 31, 2013
Pension Plans [Member]
Level 3 [Member]
Dec. 31, 2012
Pension Plans [Member]
Level 3 [Member]
Dec. 31, 2013
Pension Plans [Member]
Level 3 [Member]
Private Equity Partnerships [Member]
Dec. 31, 2012
Pension Plans [Member]
Level 3 [Member]
Private Equity Partnerships [Member]
Dec. 31, 2013
Pension Plans [Member]
Level 3 [Member]
Insurance Group Annuity Contracts [Member]
Dec. 31, 2012
Pension Plans [Member]
Level 3 [Member]
Insurance Group Annuity Contracts [Member]
Dec. 31, 2013
AA [Member]
Dec. 31, 2012
AA [Member]
Dec. 31, 2013
AA [Member]
Private Equity Partnerships [Member]
Dec. 31, 2012
AA [Member]
Private Equity Partnerships [Member]
Dec. 31, 2011
AA [Member]
Private Equity Partnerships [Member]
Dec. 31, 2013
AA [Member]
Insurance Group Annuity Contracts [Member]
Dec. 31, 2012
AA [Member]
Insurance Group Annuity Contracts [Member]
Dec. 31, 2011
AA [Member]
Insurance Group Annuity Contracts [Member]
Dec. 31, 2013
AA [Member]
United Kingdom [Member]
International Markets [Member]
Dec. 31, 2012
AA [Member]
United Kingdom [Member]
International Markets [Member]
Dec. 31, 2012
AA [Member]
Japan [Member]
Dec. 31, 2013
AA [Member]
Japan [Member]
International Markets [Member]
Dec. 31, 2012
AA [Member]
Netherlands [Member]
Dec. 31, 2013
AA [Member]
Netherlands [Member]
International Markets [Member]
Dec. 31, 2012
AA [Member]
Republic of Korea [Member]
Dec. 31, 2013
AA [Member]
Republic of Korea [Member]
International Markets [Member]
Dec. 31, 2012
AA [Member]
Germany [Member]
Dec. 31, 2013
AA [Member]
Germany [Member]
International Markets [Member]
Dec. 31, 2012
AA [Member]
France [Member]
Dec. 31, 2013
AA [Member]
France [Member]
International Markets [Member]
Dec. 31, 2012
AA [Member]
Switzerland [Member]
Dec. 31, 2013
AA [Member]
Switzerland [Member]
International Markets [Member]
Dec. 31, 2012
AA [Member]
Emerging Markets [Member]
Dec. 31, 2013
AA [Member]
Emerging Markets [Member]
International Markets [Member]
Dec. 31, 2012
AA [Member]
No Concentration Greater Than Five Percent In Any One Country [Member]
Dec. 31, 2013
AA [Member]
No Concentration Greater Than Five Percent In Any One Country [Member]
International Markets [Member]
Dec. 31, 2013
AA [Member]
Corporate Debt With Standard And Poor's (S&P) Rating Lower Than A [Member]
Dec. 31, 2012
AA [Member]
Corporate Debt With Standard And Poor's (S&P) Rating Lower Than A [Member]
Dec. 31, 2013
AA [Member]
Corporate Debt With Standard And Poor's (S&P) Rating A Or Higher [Member]
Dec. 31, 2012
AA [Member]
Corporate Debt With Standard And Poor's (S&P) Rating A Or Higher [Member]
Dec. 31, 2013
AA [Member]
U.S. Companies [Member]
Dec. 31, 2012
AA [Member]
U.S. Companies [Member]
Dec. 31, 2013
AA [Member]
International Companies [Member]
Dec. 31, 2012
AA [Member]
International Companies [Member]
Dec. 31, 2013
AA [Member]
Emerging Market Companies [Member]
Dec. 31, 2012
AA [Member]
Emerging Market Companies [Member]
Dec. 31, 2013
AA [Member]
Domestic Government Securities [Member]
Dec. 31, 2012
AA [Member]
Domestic Government Securities [Member]
Dec. 31, 2013
AA [Member]
Emerging Market Government Securities [Member]
Dec. 31, 2012
AA [Member]
Emerging Market Government Securities [Member]
Dec. 31, 2013
AA [Member]
U.S. Buyout Opportunities [Member]
Dec. 31, 2012
AA [Member]
U.S. Buyout Opportunities [Member]
Dec. 31, 2013
AA [Member]
European Buyout Opportunities [Member]
Dec. 31, 2012
AA [Member]
European Buyout Opportunities [Member]
Dec. 31, 2013
AA [Member]
Emerging Market 103-12 Investment Trust [Member]
Dec. 31, 2012
AA [Member]
Emerging Market 103-12 Investment Trust [Member]
Dec. 31, 2013
AA [Member]
Canadian Segregated Balanced Value [Member]
Dec. 31, 2012
AA [Member]
Canadian Segregated Balanced Value [Member]
Dec. 31, 2013
AA [Member]
Common/Collective Trust [Member]
Dec. 31, 2012
AA [Member]
Common/Collective Trust [Member]
Dec. 31, 2013
AA [Member]
Minimum [Member]
Private Equity Partnerships [Member]
Dec. 31, 2012
AA [Member]
Minimum [Member]
Private Equity Partnerships [Member]
Dec. 31, 2013
AA [Member]
Maximum [Member]
Private Equity Partnerships [Member]
Dec. 31, 2012
AA [Member]
Maximum [Member]
Private Equity Partnerships [Member]
Dec. 31, 2013
AA [Member]
Pension Plans [Member]
Dec. 31, 2012
AA [Member]
Pension Plans [Member]
Dec. 31, 2011
AA [Member]
Pension Plans [Member]
Dec. 31, 2013
AA [Member]
Pension Plans [Member]
Cash and Cash Equivalents [Member]
Dec. 31, 2012
AA [Member]
Pension Plans [Member]
Cash and Cash Equivalents [Member]
Dec. 31, 2013
AA [Member]
Pension Plans [Member]
International Markets [Member]
Dec. 31, 2012
AA [Member]
Pension Plans [Member]
International Markets [Member]
Dec. 31, 2013
AA [Member]
Pension Plans [Member]
Large-Cap Companies [Member]
Dec. 31, 2012
AA [Member]
Pension Plans [Member]
Large-Cap Companies [Member]
Dec. 31, 2013
AA [Member]
Pension Plans [Member]
Mid-Cap Companies [Member]
Dec. 31, 2012
AA [Member]
Pension Plans [Member]
Mid-Cap Companies [Member]
Dec. 31, 2013
AA [Member]
Pension Plans [Member]
Small-Cap Companies [Member]
Dec. 31, 2012
AA [Member]
Pension Plans [Member]
Small-Cap Companies [Member]
Dec. 31, 2013
AA [Member]
Pension Plans [Member]
Corporate Bonds [Member]
Dec. 31, 2012
AA [Member]
Pension Plans [Member]
Corporate Bonds [Member]
Dec. 31, 2013
AA [Member]
Pension Plans [Member]
Government Securities [Member]
Dec. 31, 2012
AA [Member]
Pension Plans [Member]
Government Securities [Member]
Dec. 31, 2013
AA [Member]
Pension Plans [Member]
U.S. Municipal Securities [Member]
Dec. 31, 2012
AA [Member]
Pension Plans [Member]
U.S. Municipal Securities [Member]
Dec. 31, 2013
AA [Member]
Pension Plans [Member]
Private Equity Partnerships [Member]
Dec. 31, 2012
AA [Member]
Pension Plans [Member]
Private Equity Partnerships [Member]
Dec. 31, 2013
AA [Member]
Pension Plans [Member]
Common/Collective And 103-12 Investment Trusts [Member]
Dec. 31, 2012
AA [Member]
Pension Plans [Member]
Common/Collective And 103-12 Investment Trusts [Member]
Dec. 31, 2013
AA [Member]
Pension Plans [Member]
Insurance Group Annuity Contracts [Member]
Dec. 31, 2012
AA [Member]
Pension Plans [Member]
Insurance Group Annuity Contracts [Member]
Dec. 31, 2013
AA [Member]
Pension Plans [Member]
Dividend And Interest Receivable [Member]
Dec. 31, 2012
AA [Member]
Pension Plans [Member]
Dividend And Interest Receivable [Member]
Dec. 31, 2013
AA [Member]
Pension Plans [Member]
Due To/From Brokers For Sale Of Securities [Member]
Dec. 31, 2012
AA [Member]
Pension Plans [Member]
Due To/From Brokers For Sale Of Securities [Member]
Dec. 31, 2013
AA [Member]
Pension Plans [Member]
Other Assets [Member]
Dec. 31, 2012
AA [Member]
Pension Plans [Member]
Other Assets [Member]
Dec. 31, 2013
AA [Member]
Pension Plans [Member]
Level 1 [Member]
Dec. 31, 2012
AA [Member]
Pension Plans [Member]
Level 1 [Member]
Dec. 31, 2013
AA [Member]
Pension Plans [Member]
Level 1 [Member]
Cash and Cash Equivalents [Member]
Dec. 31, 2012
AA [Member]
Pension Plans [Member]
Level 1 [Member]
Cash and Cash Equivalents [Member]
Dec. 31, 2013
AA [Member]
Pension Plans [Member]
Level 1 [Member]
International Markets [Member]
Dec. 31, 2012
AA [Member]
Pension Plans [Member]
Level 1 [Member]
International Markets [Member]
Dec. 31, 2013
AA [Member]
Pension Plans [Member]
Level 1 [Member]
Large-Cap Companies [Member]
Dec. 31, 2012
AA [Member]
Pension Plans [Member]
Level 1 [Member]
Large-Cap Companies [Member]
Dec. 31, 2013
AA [Member]
Pension Plans [Member]
Level 1 [Member]
Mid-Cap Companies [Member]
Dec. 31, 2012
AA [Member]
Pension Plans [Member]
Level 1 [Member]
Mid-Cap Companies [Member]
Dec. 31, 2013
AA [Member]
Pension Plans [Member]
Level 1 [Member]
Small-Cap Companies [Member]
Dec. 31, 2012
AA [Member]
Pension Plans [Member]
Level 1 [Member]
Small-Cap Companies [Member]
Dec. 31, 2013
AA [Member]
Pension Plans [Member]
Level 1 [Member]
Dividend And Interest Receivable [Member]
Dec. 31, 2012
AA [Member]
Pension Plans [Member]
Level 1 [Member]
Dividend And Interest Receivable [Member]
Dec. 31, 2013
AA [Member]
Pension Plans [Member]
Level 1 [Member]
Due To/From Brokers For Sale Of Securities [Member]
Dec. 31, 2012
AA [Member]
Pension Plans [Member]
Level 1 [Member]
Due To/From Brokers For Sale Of Securities [Member]
Dec. 31, 2013
AA [Member]
Pension Plans [Member]
Level 1 [Member]
Other Assets [Member]
Dec. 31, 2012
AA [Member]
Pension Plans [Member]
Level 1 [Member]
Other Assets [Member]
Dec. 31, 2013
AA [Member]
Pension Plans [Member]
Level 2 [Member]
Dec. 31, 2012
AA [Member]
Pension Plans [Member]
Level 2 [Member]
Dec. 31, 2013
AA [Member]
Pension Plans [Member]
Level 2 [Member]
Corporate Bonds [Member]
Dec. 31, 2012
AA [Member]
Pension Plans [Member]
Level 2 [Member]
Corporate Bonds [Member]
Dec. 31, 2013
AA [Member]
Pension Plans [Member]
Level 2 [Member]
Government Securities [Member]
Dec. 31, 2012
AA [Member]
Pension Plans [Member]
Level 2 [Member]
Government Securities [Member]
Dec. 31, 2013
AA [Member]
Pension Plans [Member]
Level 2 [Member]
U.S. Municipal Securities [Member]
Dec. 31, 2012
AA [Member]
Pension Plans [Member]
Level 2 [Member]
U.S. Municipal Securities [Member]
Dec. 31, 2013
AA [Member]
Pension Plans [Member]
Level 2 [Member]
Common/Collective And 103-12 Investment Trusts [Member]
Dec. 31, 2012
AA [Member]
Pension Plans [Member]
Level 2 [Member]
Common/Collective And 103-12 Investment Trusts [Member]
Dec. 31, 2013
AA [Member]
Pension Plans [Member]
Level 3 [Member]
Dec. 31, 2012
AA [Member]
Pension Plans [Member]
Level 3 [Member]
Dec. 31, 2013
AA [Member]
Pension Plans [Member]
Level 3 [Member]
Private Equity Partnerships [Member]
Dec. 31, 2012
AA [Member]
Pension Plans [Member]
Level 3 [Member]
Private Equity Partnerships [Member]
Dec. 31, 2013
AA [Member]
Pension Plans [Member]
Level 3 [Member]
Insurance Group Annuity Contracts [Member]
Dec. 31, 2012
AA [Member]
Pension Plans [Member]
Level 3 [Member]
Insurance Group Annuity Contracts [Member]
Defined Benefit Plan Disclosure [Line Items]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
Fair value of plan assets     $ 848 $ 914 $ 920 $ 2 $ 2 $ 2                                                                                               $ 10,057 $ 9,065 $ 8,132 $ 360 $ 275 $ 2,908 [1],[2] $ 2,443 [1],[3] $ 2,196 [1] $ 1,601 [1] $ 227 [1] $ 216 [1] $ 18 [1] $ 21 [1] $ 48 [1] $ 2,067 [4] $ 2,094 [5] $ 1,035 [6] $ 1,172 [7] $ 55 $ 57 $ 848 [8] $ 914 [9] $ 245 [10] $ 229 [10] $ 2 $ 2 $ 51 $ 38 $ (10) $ 1 $ 7 $ 2 $ 5,805 $ 4,597 $ 360 $ 275 $ 2,908 $ 2,443 $ 2,196 $ 1,601 $ 227 $ 216 $ 18 $ 21 $ 48 $ 51 $ 38 $ (10) $ 1 $ 7 $ 2 $ 3,402 $ 3,552 $ 2,067 $ 2,094 $ 1,035 $ 1,172 $ 55 $ 57 $ 245 $ 229 $ 850 $ 916 $ 848 $ 914 $ 2 $ 2     $ 848 $ 914 $ 920 $ 2 $ 2 $ 2                                                                                             $ 10,009 $ 9,065 $ 8,132 $ 360 $ 275 $ 2,908 [11],[12] $ 2,443 [11],[13] $ 2,196 [11] $ 1,601 [11] $ 227 $ 216 [11] $ 18 [11] $ 21 [11] $ 2,067 [14] $ 2,094 [15] $ 1,035 [16] $ 1,172 [17] $ 55 $ 57 $ 848 [18] $ 914 [19] $ 245 [20] $ 229 [20] $ 2 $ 2 $ 51 $ 38 $ (10) $ 1 $ 7 $ 2 $ 5,757 $ 4,597 $ 360 $ 275 $ 2,908 [11],[12] $ 2,443 [11],[13] $ 2,196 [11] $ 1,601 [11] $ 227 [11] $ 216 [11] $ 18 [11] $ 21 [11] $ 51 $ 38 $ (10) $ 1 $ 7 $ 2 $ 3,402 $ 3,552 $ 2,067 [14] $ 2,094 [15] $ 1,035 [16] $ 1,172 [17] $ 55 $ 57 $ 245 [20] $ 229 [20] $ 850 $ 916 $ 848 [18] $ 914 [19] $ 2 $ 2
Defined Benefit Plan, Actual Plan Asset Allocations                 19.00% 20.00% 10.00% 9.00% 5.00% 5.00% 6.00% 5.00% 6.00% 8.00% 11.00% 9.00% 7.00% 8.00% 15.00% 15.00% 21.00% 21.00% 76.00% 79.00% 24.00% 21.00% 80.00% 81.00% 49.00% 30.00% 17.00% 16.00% 21.00% 3.00% 3.00% 72.00% 88.00% 28.00% 12.00% 92.00% 92.00% 8.00% 8.00% 74.00% 74.00% 14.00% 14.00% 12.00% 12.00%                                                                                                                                                           19.00% 20.00% 9.00% 10.00% 5.00% 5.00% 5.00% 6.00% 8.00% 6.00% 9.00% 11.00% 8.00% 7.00% 15.00% 15.00% 21.00% 21.00% 76.00% 79.00% 24.00% 21.00% 80.00% 81.00% 17.00% 16.00% 3.00% 3.00% 72.00% 88.00% 28.00% 12.00% 92.00% 92.00% 8.00% 8.00% 74.00% 74.00% 14.00% 14.00% 12.00% 12.00%                                                                                                                                          
Estimated year of liquidation of underlying assets                                                                                                           1 year 10 years                                                                                                                                                                                                                                           1 year 1 year 10 years 10 years                                                                                                                                  
Defined benefit plan master trust future funding commitments $ 376 $ 331                                                                                                                                                                                                                                                 $ 376 $ 331                                                                                                                                                                                                                                          
Master trust future funding commitments period, years 10 years 10 years                                                                                                                                                                                                                                                 10 years 10 years                                                                                                                                                                                                                                          
[1] b)There are no significant concentrations of holdings by company or industry.
[2] a)Holdings are diversified as follows: 19% United Kingdom, 10% Japan, 11% France, 7% Switzerland, 6% Germany, 5% Netherlands, 6% Republic of Korea, 15% emerging markets and the remaining 21% with no concentration greater than 5% in any one country.
[3] a)
[4] c)Includes approximately 76% investments in corporate debt with a Standard and Poor's (S&P) rating lower than A and 24% investments in corporate debt with an S&P rating A or higher. Holdings include 80% U.S. companies, 17% international companies and 3% emerging market companies.
[5] c)Includes approximately 79% investments in corporate debt with a Standard and Poor's (S&P) rating lower than A and 21% investments in corporate debt with an S&P rating A or higher. Holdings include 81% U.S. companies, 16% international companies and 3% emerging market companies.
[6] d)Includes approximately 72% investments in U.S. domestic government securities and 28% in emerging market government securities. There are no significant foreign currency risks within this classification.
[7] d)Includes approximately 88% investments in U.S. domestic government securities and 12% in emerging market government securities. There are no significant foreign currency risks within this classification.
[8] e)Includes limited partnerships that invest primarily in U.S. (92%) and European (8%) buyout opportunities of a range of privately held companies. The Master Trust does not have the right to redeem its limited partnership investment at its net asset value. Instead, the Master Trust receives distributions as the underlying assets are liquidated. It is estimated that the underlying assets of these funds will be gradually liquidated over the next one to ten years. Additionally, the Master Trust has future funding commitments of approximately $376 million over the next ten years.
[9] e)Includes limited partnerships that invest primarily in U.S. (92%) and European (8%) buyout opportunities of a range of privately held companies. The Master Trust does not have the right to redeem its limited partnership investment at its net asset value. Instead, the Master Trust receives distributions as the underlying assets are liquidated. It is estimated that the underlying assets of these funds will be gradually liquidated over the next one to ten years. Additionally, the Master Trust has future funding commitments of approximately $331 million over the next ten years.
[10] f)Investment includes 74% in an emerging market 103-12 investment trust with investments in emerging country equity securities, 14% in Canadian segregated balanced value, income growth and diversified pooled funds and 12% in a common/collective trust investing in securities of smaller companies located outside the U.S., including developing markets. Requests for withdrawals must meet specific requirements with advance notice of redemption preferred.
[11] There are no significant concentrations of holdings by company or industry.
[12] Holdings are diversified as follows: 19% United Kingdom, 10% Japan, 11% France, 7% Switzerland, 6% Germany, 5% Netherlands, 6% Republic of Korea, 15% emerging markets and the remaining 21% with no concentration greater than 5% in any one country.
[13] Holdings are diversified as follows: 20% United Kingdom, 9% Japan, 9% France, 8% Switzerland, 8% Germany, 5% Netherlands, 5% Republic of Korea, 15% emerging markets and the remaining 21% with no concentration greater than 5% in any one country.
[14] Includes approximately 76% investments in corporate debt with a Standard and Poor’s (S&P) rating lower than A and 24% investments in corporate debt with an S&P rating A or higher. Holdings include 80% U.S. companies, 17% international companies and 3% emerging market companies.
[15] Includes approximately 79% investments in corporate debt with a Standard and Poor’s (S&P) rating lower than A and 21% investments in corporate debt with an S&P rating A or higher. Holdings include 81% U.S. companies, 16% international companies and 3% emerging market companies.
[16] Includes approximately 72% investments in U.S. domestic government securities and 28% in emerging market government securities. There are no significant foreign currency risks within this classification.
[17] Includes approximately 88% investments in U.S. domestic government securities and 12% in emerging market government securities. There are no significant foreign currency risks within this classification.
[18] Includes limited partnerships that invest primarily in U.S. (92%) and European (8%) buyout opportunities of a range of privately held companies. The Master Trust does not have the right to redeem its limited partnership investment at its net asset value. Instead, the Master Trust receives distributions as the underlying assets are liquidated. It is estimated that the underlying assets of these funds will be gradually liquidated over the next one to ten years. Additionally, the Master Trust has future funding commitments of approximately $376 million over the next ten years.
[19] Includes limited partnerships that invest primarily in U.S. (92%) and European (8%) buyout opportunities of a range of privately held companies. The Master Trust does not have the right to redeem its limited partnership investment at its net asset value. Instead, the Master Trust receives distributions as the underlying assets are liquidated. It is estimated that the underlying assets of these funds will be gradually liquidated over the next one to ten years. Additionally, the Master Trust has future funding commitments of approximately $331 million over the next ten years.
[20] Investment includes 74% in an emerging market 103-12 investment trust with investments in emerging country equity securities, 14% in Canadian segregated balanced value, income growth and diversified pooled funds and 12% in a common/collective trust investing in securities of smaller companies located outside the U.S., including developing markets. Requests for withdrawals must meet specific requirements with advance notice of redemption preferred.