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Share-Based Compensation (Tables) | 12 Months Ended
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Jun. 30, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Total Share-based Compensation Expense by Type of Award | The following table provides total share-based compensation expense by type of award:
(in millions) | 2017 |  | 2016 |  | 2015
Restricted share unit expense | $ | 69 |  |  | $ | 69 |  |  | $ | 69 |
Employee stock option expense | 19 |  |  | 21 |  |  | 21 |
Performance share unit expense | 8 |  |  | 21 |  |  | 20 |
Total share-based compensation expense from continuing operations | $ | 96 |  |  | $ | 111 |  |  | $ | 110 |
Schedule of Stock Option Transactions Under the Plans | The following table summarizes all stock option transactions under the Plans:
(in millions, except per share amounts) | Stock Options |  | Weighted-Average Exercise Price per Common Share
Outstanding at June 30, 2015 | 8 |  |  | $ | 46.50 |
Granted | 1 |  |  | 84.11 |
Exercised | (2 | ) |  | 39.06 |
Canceled and forfeited | — |  |  | — |
Outstanding at June 30, 2016 | 7 |  |  | 54.09 |
Granted | 1 |  |  | 83.09 |
Exercised | (2 | ) |  | 37.79 |
Canceled and forfeited | — |  |  | — |
Outstanding at June 30, 2017 | 6 |  |  | $ | 63.44 |
Exercisable at June 30, 2017 | 4 |  |  | $ | 52.86 |
Schedule of Additional Data Related to Stock Option Activity | The following table provides additional detail related to stock options:
(in millions, except per share amounts) | 2017 |  | 2016 |  | 2015
Aggregate intrinsic value of outstanding options at period end | $ | 109 |  |  | $ | 181 |  |  | $ | 281 |
Aggregate intrinsic value of exercisable options at period end | 106 |  |  | 161 |  |  | 193 |
Aggregate intrinsic value of exercised options | 73 |  |  | 63 |  |  | 132 |
Net proceeds from share-based compensation | 26 |  |  | 6 |  |  | 72 |
Excess tax benefits from share based compensation | 34 |  |  | 33 |  |  | 52 |
Total compensation cost, net of estimated forfeitures, related to unvested stock options not yet recognized, pre-tax | 22 |  |  | 22 |  |  | 23 |
Total fair value of shares vested during the year | 19 |  |  | 20 |  |  | 20 |
Weighted-average grant date fair value per stock option | 16.67 |  |  | 17.40 |  |  | 15.80 |
Schedule of Remaining Stock Option Plan Data |
(in years) | 2017 |  | 2016 |  | 2015
Weighted-average remaining contractual life of outstanding options | 7 |  | 6 |  | 6
Weighted-average remaining contractual life of exercisable options | 6 |  | 5 |  | 5
Weighted-average period over which stock option compensation cost is expected to be recognized | 2 |  | 2 |  | 2
Schedule of Range of Assumptions Used to Estimate Fair Value of Stock Options | The following table provides the range of assumptions used to estimate the fair value of stock options:
| 2017 |  | 2016 |  | 2015
Risk-free interest rate | 1.4% | - | 2.0% |  | 1.5% | - | 1.9% |  | 1.8% | - | 2.1%
Expected volatility | 24% |  | 23% |  | 26%
Dividend yield | 2.2% | - | 2.5% |  | 1.8% | - | 2.0% |  | 1.7% | - | 1.9%
Expected life in years | 7 |  | 7 |  | 7
Schedule of Transactions Related to Restricted Share Units Under the Plans | The following table summarizes all transactions related to restricted share units under the Plans:
(in millions, except per share amounts) | Restricted Share Units |  | Weighted-Average Grant Date Fair Value per Share
Nonvested at June 30, 2015 | 3 |  |  | $ | 59.69 |
Granted | 1 |  |  | 83.89 |
Vested | (2 | ) |  | 54.29 |
Canceled and forfeited | — |  |  | — |
Nonvested at June 30, 2016 | 2 |  |  | 71.73 |
Granted | 1 |  |  | 82.34 |
Vested | (1 | ) |  | 69.23 |
Canceled and forfeited | — |  |  | — |
Nonvested at June 30, 2017 | 2 |  |  | $ | 76.72 |
Additional Restricted Shares and Restricted Share Units Activity |
| 2017 |  | 2016 |  | 2015
Risk-free interest rate | 1.4% | - | 2.0% |  | 1.5% | - | 1.9% |  | 1.8% | - | 2.1%
Expected volatility | 24% |  | 23% |  | 26%
Dividend yield | 2.2% | - | 2.5% |  | 1.8% | - | 2.0% |  | 1.7% | - | 1.9%
Expected life in years | 7 |  | 7 |  | 7
The following table provides additional data related to restricted share unit activity:
(in millions) | 2017 |  | 2016 |  | 2015
Total compensation cost, net of estimated forfeitures, related to nonvested restricted share and share unit awards not yet recognized, pre-tax | $ | 73 |  |  | $ | 79 |  |  | $ | 77 |
Weighted-average period in years over which restricted share and share unit cost is expected to be recognized (in years) | 2 |  |  | 2 |  |  | 2 |
Total fair value of shares vested during the year | $ | 64 |  |  | $ | 65 |  |  | $ | 61 |
Schedule of Transactions Related to Performance Share Units Under the Plans | The following table summarizes all transactions related to performance share units under the Plans (based on target award amounts):
(in millions, except per share amounts) | Performance Share Units |  | Weighted-Average Grant Date Fair Value per Share
Nonvested at June 30, 2015 | 0.9 |  |  | $ | 50.31 |
Granted | 0.3 |  |  | 84.26 |
Vested (1) | (0.4 | ) |  | 39.81 |
Canceled and forfeited | — |  |  | — |
Nonvested at June 30, 2016 | 0.8 |  |  | 63.96 |
Granted | 0.2 |  |  | 83.19 |
Vested (2) | (0.4 | ) |  | 51.49 |
Canceled and forfeited | — |  |  | — |
Nonvested at June 30, 2017 | 0.6 |  |  | $ | 77.83 |
(1) Vested based on achievement of 133 percent of the target performance goal. (2) Vested based on achievement of 170 percent of the target performance goal.
Additional Data Related to Performance Share Units Activity | The following table provides additional data related to performance share unit activity:
(in millions) | 2017 |  | 2016 |  | 2015
Total compensation cost, net of estimated forfeitures, related to nonvested performance share units not yet recognized, pre-tax | $ | 13 |  |  | $ | 17 |  |  | $ | 16 |
Weighted-average period over which performance share unit cost is expected to be recognized (in years) | 2 |  |  | 2 |  |  | 2 |
Total fair value of shares vested during the year | $ | 19 |  |  | $ | 16 |  |  | $ | 8 |

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