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Earnings Per Share (Computation Of Basic And Diluted Earnings Per Share) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2011 | Sep. 30, 2011 | Mar. 31, 2011 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2013 | Dec. 31, 2012 | Jun. 30, 2012 | Jun. 30, 2011
Earnings Per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net earnings attributable to controlling interests | $ 374 | $ 476 | $ 223 | $ 269 | $ 510 | $ 182 | $ 284 | $ 399 | $ 80 | $ 460 |  | $ 692 | $ 540 | $ 1,342 | $ 1,375 | $ 1,223 | $ 2,036
Average shares outstanding |  |  |  |  |  |  |  |  |  |  |  | 660 | 669 | 661 | 660 | 665 | 642
Basic earnings per share (dollars per share) | $ 0.57 | $ 0.72 | $ 0.34 | $ 0.41 | $ 0.77 | $ 0.28 | $ 0.43 | $ 0.60 | $ 0.12 | $ 0.68 |  | $ 1.05 | $ 0.81 | $ 2.03 | $ 2.08 | $ 1.84 | $ 3.17
Plus: After-tax interest on 4.7% debentures related to $1.75 billion Equity Units |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 13
Adjusted net earnings attributable to controlling interests |  |  |  |  |  |  |  |  |  |  |  | 692 | 540 | 1,342 | 1,375 | 1,223 | 2,049
Share-based compensation awards |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 | 2 | 2 | 1 | 1
Shares assumed issued related to $1.75 billion equity units |  |  |  |  |  |  |  |  |  |  | 44 |  |  |  |  |  | 11
Adjusted average shares outstanding |  |  |  |  |  |  |  |  |  |  |  | 661 | 670 | 663 | 662 | 666 | 654
Diluted earnings per share (dollars per share) | $ 0.56 | $ 0.72 | $ 0.34 | $ 0.41 | $ 0.77 | $ 0.28 | $ 0.43 | $ 0.60 | $ 0.12 | $ 0.68 |  | $ 1.05 | $ 0.81 | $ 2.02 | $ 2.08 | $ 1.84 | $ 3.13
Interest rate stated percentage |  |  |  |  |  |  |  |  | 4.70% |  |  |  | 4.70% |  |  |  |
Face amount of equity units |  |  |  |  |  |  |  |  | $ 1,750 |  | $ 1,750 |  | $ 1,750 |  |  |  |

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