|
Financing Arrangement (0.75% Convertible senior notes due 2016) (Details) (USD $)
|
1 Months Ended |
12 Months Ended |
21 Months Ended |
|
|
|
Jul. 31, 2011
|
Mar. 31, 2015
|
Jun. 30, 2016
|
Mar. 31, 2014
|
Jul. 14, 2011
|
| Financing Arrangement [Line Items] |
|
|
|
|
|
| 0.75% Convertible senior notes due 2016, net (short-term) |
|
$ 602,000,000 |
|
$ 0 |
|
| Convertible Senior Notes, Carrying Value |
|
0 |
|
580,000,000 |
|
| Temporary equity |
|
31,000,000 |
|
0 |
|
| Debt Instrument, Convertible, Carrying Amount of Equity Component |
|
107,000,000 |
|
107,000,000 |
|
| Debt Instrument, Frequency of Periodic Payment |
semiannually |
|
|
|
|
| Share Price |
|
$ 58.24 |
|
|
|
| Debt Instrument, Convertible, If-converted Value in Excess of Principal |
|
528,000,000 |
|
|
|
| Convertible Debt |
|
|
|
|
|
| Financing Arrangement [Line Items] |
|
|
|
|
|
| Principal amount |
|
633,000,000 |
|
633,000,000 |
|
| Convertible Senior Notes, Carrying Value |
|
602,000,000 |
|
580,000,000 |
|
| Debt Instrument, Unamortized Discount (Premium), Net |
|
31,000,000 |
|
53,000,000 |
|
| Debt Instrument, Date of First Required Payment |
Jan. 15, 2012 |
|
|
|
|
| Debt Instrument, Issuance Date |
Jul. 15, 2011 |
|
|
|
|
| Convertible Senior Notes due description |
2016 |
|
|
|
|
| 0.75% Convertible Senior Notes due 2016 maturity date |
Jul. 15, 2016 |
|
|
|
|
| Conversion rate of Notes |
31.5075 |
|
|
|
|
| Face amount of Notes |
|
|
|
|
1,000 |
| Debt Instrument, Convertible, Conversion Price |
|
|
|
|
$ 31.74 |
| Number of trading days greater than or equal to the initial conversion price |
20 |
|
|
|
|
| Consecutive trading days under conversion trigger |
30 |
|
|
|
|
| Trigger price as percent of conversion price |
130.00% |
|
|
|
|
| Trigger price |
41.26 |
|
|
|
|
| Number of trading day that trading price falls below 98% of last reported sales price multiplied by conversion rate |
5 |
|
|
|
|
| Consecutive trading days under conversion trigger, trading price |
10 |
|
|
|
|
| Debt trading price as a percentage of stock price times conversion rate |
98.00% |
|
|
|
|
| Effective interest rate |
|
|
|
|
4.54% |
| Debt issuance costs |
|
|
|
|
15,000,000 |
| Debt instrument remaining discount amortization period (in years) |
|
|
1 year 3 months |
|
|
| Convertible Debt | Liability Component [Member] |
|
|
|
|
|
| Financing Arrangement [Line Items] |
|
|
|
|
|
| Convertible Senior Notes, Carrying Value |
|
|
|
|
525,000,000 |
| Debt issuance costs |
|
|
|
|
13,000,000 |
| Convertible Debt | Equity Component |
|
|
|
|
|
| Financing Arrangement [Line Items] |
|
|
|
|
|
| Debt issuance costs |
|
|
|
|
2,000,000 |
| Convertible Debt |
|
|
|
|
|
| Financing Arrangement [Line Items] |
|
|
|
|
|
| Debt Instrument, Fair Value Disclosure |
|
$ 1,158,000,000 |
|
$ 731,000,000 |
|
| Contractual interest rate of 0.75% Convertible Senior Notes due 2016 |
|
|
|
|
0.75% |