Stock Compensation Plans	6 Months Ended
Feb. 28, 2015
Stock Compensation Plans [Abstract]
Stock Compensation Plans	13. Stock Compensation Plans The Walgreen Co. Omnibus Incentive Plan (the "Omnibus Plan") which became effective in fiscal 2013, provides for incentive compensation to the Company's non-employee directors, officers and employees, and consolidates into a single plan several previously existing equity compensation plans. A total of 60.4 million shares became available for delivery under the Omnibus Plan. In connection with the Reorganization, the Omnibus Plan was assumed by the Company and each Walgreens stock option, restricted stock unit award, performance share award, deferred stock unit award, and common stock converted automatically into an award with respect to the number of shares of common stock of the Company on a one-for-one basis. The Company's awards continue to be subject to the same terms and conditions as those that were applicable to such award immediately prior to their conversion. The Company did not record any incremental compensation expense related to the conversion. The Company granted 15,458 and 4,117,968 stock options under the Omnibus Plan for the three and six month periods ended February 28, 2015, respectively, compared to 149,684 and 6,534,762 stock options granted under the Omnibus Plan in the same three and six month periods ended last year. Stock-based compensation expense, which includes stock option, restricted stock unit, and performance share grants, was $34 million for the three month and $65 million for the six month periods ended February 28, 2015, compared to $31 million and $52 million for the same periods last year. Compensation expense for any individual quarter may not be representative of compensation expense for the entire fiscal year. Stock options granted in the current fiscal year had a weighted-average grant-date fair value of $14.64 using weighted average volatility, dividend yield and expected option life assumptions of 25.51%, 1.79% and 6.68 years, respectively, using the Black Scholes option pricing model. In accordance with ASC Topic 718 Compensation – Stock Compensation, compensation expense is recognized on a straight-line basis over the employee's vesting period or to the employee's retirement eligible date, if earlier. The recognized retiree eligible income recorded in the three and six month periods ended February 28, 2015, was $3 million and $2 million respectively, compared to expense of $5 million and $8 million for the same periods in the prior year. The Company granted 227,220 and 1,132,171 restricted stock units under the Omnibus Plan for the three and six month periods ended February 28, 2015, respectively, compared to 30,122 and 641,009 restricted stock units granted under the Omnibus Plan in the same three and six month periods last year. Restricted stock units granted in the current fiscal year had a weighted average grant date stock price of $74.61. Dividends issued under the program, paid in the form of additional restricted stock units, totaled 16,886 units for the three months and 37,421 units for the six months ended February 28, 2015 versus 19,159 units and 40,457 units in the same periods last year. The Company also granted 3,688 and 484,011 performance shares under the Omnibus Plan for the three month and six month periods ended February 28, 2015 versus 5,807 and 702,939 performance shares in the same periods last year. Performance shares granted in the current fiscal year had a weighted average grant date stock price of $66.82. In accordance with ASC Topic 718, compensation expense is recognized on a straight line basis based on a three year cliff vesting schedule for restricted stock unit awards and on a straight line basis over a three year performance period, based on performance targets, for performance share awards. For the three and six month periods ended February 28, 2015, the Company recognized $28 million and $47 million, of expense related to these plans, respectively. In the same periods last year, the Company recognized $16 million and $26 million of expense, respectively. The intrinsic value for options exercised was $153 million for the three month and $226 million for the six month periods ended February 28, 2015, respectively. The total fair value of options vested were $1 million for the three month and $51 million for the six month periods ended February 28, 2015, respectively. Cash received from the exercise of options was $132 million for the three months and $226 million for the six months ended February 28, 2015, respectively. The related tax benefit realized was $58 million for the three months and $85 million for the six months ended February 28, 2015, respectively.

13. Stock Compensation Plans

The Walgreen Co. Omnibus Incentive Plan (the "Omnibus Plan") which became effective in fiscal 2013, provides for incentive compensation to the Company's non-employee directors, officers and employees, and consolidates into a single plan several previously existing equity compensation plans. A total of 60.4 million shares became available for delivery under the Omnibus Plan.

In connection with the Reorganization, the Omnibus Plan was assumed by the Company and each Walgreens stock option, restricted stock unit award, performance share award, deferred stock unit award, and common stock converted automatically into an award with respect to the number of shares of common stock of the Company on a one-for-one basis. The Company's awards continue to be subject to the same terms and conditions as those that were applicable to such award immediately prior to their conversion. The Company did not record any incremental compensation expense related to the conversion.

The Company granted 15,458 and 4,117,968 stock options under the Omnibus Plan for the three and six month periods ended February 28, 2015, respectively, compared to 149,684 and 6,534,762 stock options granted under the Omnibus Plan in the same three and six month periods ended last year. Stock-based compensation expense, which includes stock option, restricted stock unit, and performance share grants, was $34 million for the three month and $65 million for the six month periods ended February 28, 2015, compared to $31 million and $52 million for the same periods last year. Compensation expense for any individual quarter may not be representative of compensation expense for the entire fiscal year. Stock options granted in the current fiscal year had a weighted-average grant-date fair value of $14.64 using weighted average volatility, dividend yield and expected option life assumptions of 25.51%, 1.79% and 6.68 years, respectively, using the Black Scholes option pricing model. In accordance with ASC Topic 718 Compensation – Stock Compensation, compensation expense is recognized on a straight-line basis over the employee's vesting period or to the employee's retirement eligible date, if earlier. The recognized retiree eligible income recorded in the three and six month periods ended February 28, 2015, was $3 million and $2 million respectively, compared to expense of $5 million and $8 million for the same periods in the prior year.

The Company granted 227,220 and 1,132,171 restricted stock units under the Omnibus Plan for the three and six month periods ended February 28, 2015, respectively, compared to 30,122 and 641,009 restricted stock units granted under the Omnibus Plan in the same three and six month periods last year. Restricted stock units granted in the current fiscal year had a weighted average grant date stock price of $74.61. Dividends issued under the program, paid in the form of additional restricted stock units, totaled 16,886 units for the three months and 37,421 units for the six months ended February 28, 2015 versus 19,159 units and 40,457 units in the same periods last year. The Company also granted 3,688 and 484,011 performance shares under the Omnibus Plan for the three month and six month periods ended February 28, 2015 versus 5,807 and 702,939 performance shares in the same periods last year. Performance shares granted in the current fiscal year had a weighted average grant date stock price of $66.82. In accordance with ASC Topic 718, compensation expense is recognized on a straight line basis based on a three year cliff vesting schedule for restricted stock unit awards and on a straight line basis over a three year performance period, based on performance targets, for performance share awards. For the three and six month periods ended February 28, 2015, the Company recognized $28 million and $47 million, of expense related to these plans, respectively. In the same periods last year, the Company recognized $16 million and $26 million of expense, respectively.

The intrinsic value for options exercised was $153 million for the three month and $226 million for the six month periods ended February 28, 2015, respectively. The total fair value of options vested were $1 million for the three month and $51 million for the six month periods ended February 28, 2015, respectively.

Cash received from the exercise of options was $132 million for the three months and $226 million for the six months ended February 28, 2015, respectively. The related tax benefit realized was $58 million for the three months and $85 million for the six months ended February 28, 2015, respectively.