|
SHAREHOLDERS' EQUITY (Details) (USD $)
Share data in Millions, except Per Share data, unless otherwise specified |
12 Months Ended | 1 Months Ended | 3 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Dec. 31, 2012
|
Dec. 31, 2011
|
Dec. 31, 2010
|
Dec. 31, 2012
Preferred Stock
|
Dec. 31, 2012
Preference Stock
|
Jul. 31, 2012
Common Stock
|
Jul. 31, 2011
Common Stock
|
Jul. 31, 2010
Common Stock
|
Dec. 31, 2012
Common Stock
|
Sep. 30, 2012
Common Stock
|
Jul. 01, 2012
Common Stock
|
Apr. 01, 2012
Common Stock
|
Dec. 31, 2011
Common Stock
|
Sep. 25, 2011
Common Stock
|
Jun. 26, 2011
Common Stock
|
Mar. 27, 2011
Common Stock
|
Dec. 31, 2010
Common Stock
|
Sep. 26, 2010
Common Stock
|
Jun. 27, 2010
Common Stock
|
Mar. 28, 2010
Common Stock
|
Dec. 31, 2012
Common Stock
|
Dec. 31, 2011
Common Stock
|
Dec. 31, 2010
Common Stock
|
Dec. 31, 2012
Treasury Stock
|
Feb. 28, 2011
Treasury Stock
|
Dec. 31, 2012
Treasury Stock
|
Dec. 31, 2011
Treasury Stock
|
Dec. 31, 2010
Treasury Stock
|
Dec. 31, 2012
Common Stock Held in Trust
|
Dec. 31, 2011
Common Stock Held in Trust
|
Dec. 31, 2010
Common Stock Held in Trust
|
|
| Class of Stock | |||||||||||||||||||||||||||||||
| Preferred Stock, Shares Authorized | 1 | 1 | |||||||||||||||||||||||||||||
| Changes in shares of stock | |||||||||||||||||||||||||||||||
| Balance at beginning of period (in shares) | 222.2 | 221.8 | 222.0 | 222.2 | 221.8 | 222.0 | 30.2 | 24.0 | 20.7 | 1.8 | 2.1 | 3.0 | |||||||||||||||||||
| Shares acquired | 2.6 | 6.4 | 3.5 | ||||||||||||||||||||||||||||
| Shares issued | 0.4 | 0.4 | 0.2 | (0.2) | (0.2) | (0.2) | |||||||||||||||||||||||||
| Employee benefits trust activity (in shares) | (0.3) | (0.3) | (0.9) | ||||||||||||||||||||||||||||
| Other shareholder transactions (in shares) | (0.2) | (0.4) | |||||||||||||||||||||||||||||
| Balance at the end of the period (in shares) | 222.4 | 222.2 | 221.8 | 222.4 | 222.2 | 221.8 | 32.6 | 32.6 | 30.2 | 24.0 | 1.5 | 1.8 | 2.1 | ||||||||||||||||||
| Treasury Stock | |||||||||||||||||||||||||||||||
| Common stock acquisition authorized (in dollars) | $ 1,000,000,000 | $ 1,000,000,000 | |||||||||||||||||||||||||||||
| Dividends Paid | |||||||||||||||||||||||||||||||
| Percentage increase in cash dividend per common share | 25.00% | 52.00% | 50.00% | ||||||||||||||||||||||||||||
| Cash dividend (in dollars per share) | $ 0.50 | $ 0.50 | $ 0.40 | $ 0.40 | $ 0.40 | $ 0.40 | $ 0.2625 | $ 0.2625 | $ 0.2625 | $ 0.2625 | $ 0.175 | $ 0.175 | $ 1.80 | $ 1.325 | $ 0.875 | ||||||||||||||||
| Total dividends paid to common shareholders (in dollars) | 340,000,000 | 255,000,000 | 172,000,000 | ||||||||||||||||||||||||||||
| Employee Benefits Trust | |||||||||||||||||||||||||||||||
| Contributions charged to income (in dollars) | 35,000,000 | 40,000,000 | 20,000,000 | 27,000,000 | 28,000,000 | 21,000,000 | |||||||||||||||||||||||||
| EBT shares sold on open market (in shares) | 0.7 | ||||||||||||||||||||||||||||||
| Proceeds from sale used to fund other non-qualified employee benefit plans (in dollars) | $ 58,000,000 | $ 58,000,000 | |||||||||||||||||||||||||||||