|
Stockholders' Equity (Tables)
|
12 Months Ended |
|
Dec. 31, 2011
|
| Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions |
The following table
presents the weighted-average assumptions used to estimate the fair
values of the stock options granted (excluding options granted in
connection with the Exchange discussed below) in the periods
presented:
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|
|
|
|
|
|
|
|
|
|
|
|
| |
|
Year Ended December 31, |
|
| |
|
2009 |
|
|
2010 |
|
|
2011 |
|
|
Risk-free interest rate
|
|
|
2.6 |
% |
|
|
1.9 |
% |
|
|
2.3 |
% |
|
Expected volatility
|
|
|
37 |
% |
|
|
35 |
% |
|
|
33 |
% |
|
Expected life (in years)
|
|
|
5.8 |
|
|
|
5.4 |
|
|
|
5.9 |
|
|
Dividend yield
|
|
|
0 |
|
|
|
0 |
|
|
|
0 |
|
|
Weighted-average estimated fair value
of options granted during the year
|
|
$ |
160.63 |
|
|
$ |
216.43 |
|
|
$ |
210.07 |
|
| Schedule of Share-based Compensation, Stock Options, Activity |
The following table
summarizes the activities for our options for the year ended
December 31, 2011:
|
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|
|
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|
|
|
|
|
|
|
|
|
|
|
|
| |
|
Options Outstanding |
|
| |
|
Number of
Shares |
|
|
Weighted-
Average
Exercise Price |
|
|
Weighted-
Average
Remaining
Contractual
Term
(in years) |
|
|
Aggregate
Intrinsic
Value
(in millions)(1) |
|
|
Balance at December 31,
2010
|
|
|
11,525,422 |
|
|
$ |
330.24 |
|
|
|
|
|
|
|
|
|
|
Granted
|
|
|
718,091 |
|
|
$ |
584.80 |
|
|
|
|
|
|
|
|
|
|
Exercised
|
|
|
(2,181,355 |
) |
|
$ |
284.00 |
|
|
|
|
|
|
|
|
|
|
Forfeited/canceled
|
|
|
(254,906 |
) |
|
$ |
377.73 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Balance at December 31,
2011
|
|
|
9,807,252 |
|
|
$ |
357.92 |
|
|
|
5.7 |
|
|
$ |
2,825 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Vested and exercisable as of
December 31, 2011
|
|
|
6,244,783 |
|
|
$ |
314.38 |
|
|
|
5.4 |
|
|
$ |
2,070 |
|
|
Vested and exercisable as of
December 31, 2011 and expected to vest
thereafter(2)
|
|
|
9,437,288 |
|
|
$ |
354.92 |
|
|
|
5.7 |
|
|
$ |
2,746 |
|
| (1) |
The
aggregate intrinsic value is calculated as the difference between
the exercise price of the underlying awards and the closing stock
price of $645.90 of our Class A common stock on
December 31, 2011.
|
| (2) |
Options
expected to vest reflect an estimated forfeiture rate.
|
|
| Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range |
The following table
summarizes additional information regarding outstanding,
exercisable, and exercisable and vested stock options at
December 31, 2011:
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
Options Outstanding |
|
|
Options Exercisable |
|
|
Options Exercisable
and Vested |
|
|
Range of Exercise Prices
|
|
Number of
Shares |
|
|
Weighted-
Average
Remaining
Life
(in years) |
|
|
Weighted-
Average
Exercise
Price |
|
|
Number of
Shares |
|
|
Weighted-
Average
Exercise
Price |
|
|
Number of
Shares |
|
|
Weighted-
Average
Exercise
Price |
|
|
$0.30–$94.80
|
|
|
297,360 |
|
|
|
2.6 |
|
|
$ |
28.06 |
|
|
|
296,392 |
|
|
$ |
27.85 |
|
|
|
278,071 |
|
|
$ |
24.73 |
|
|
$117.84–$198.41
|
|
|
412,843 |
|
|
|
2.9 |
|
|
$ |
179.12 |
|
|
|
412,843 |
|
|
$ |
179.12 |
|
|
|
412,843 |
|
|
$ |
179.12 |
|
|
$205.96–$298.86
|
|
|
505,760 |
|
|
|
3.2 |
|
|
$ |
275.21 |
|
|
|
502,038 |
|
|
$ |
275.12 |
|
|
|
502,038 |
|
|
$ |
275.12 |
|
|
$300.97–$399.00
|
|
|
5,478,754 |
|
|
|
5.0 |
|
|
$ |
309.68 |
|
|
|
4,012,895 |
|
|
$ |
309.71 |
|
|
|
4,012,895 |
|
|
$ |
309.71 |
|
|
$401.78–$499.07
|
|
|
935,944 |
|
|
|
6.6 |
|
|
$ |
439.16 |
|
|
|
514,417 |
|
|
$ |
437.28 |
|
|
|
514,417 |
|
|
$ |
437.28 |
|
|
$501.27–$595.35
|
|
|
1,892,340 |
|
|
|
8.4 |
|
|
$ |
532.44 |
|
|
|
509,780 |
|
|
$ |
524.69 |
|
|
|
509,780 |
|
|
$ |
524.69 |
|
|
$601.17–$699.35
|
|
|
284,171 |
|
|
|
9.1 |
|
|
$ |
610.18 |
|
|
|
14,659 |
|
|
$ |
612.09 |
|
|
|
14,659 |
|
|
$ |
612.09 |
|
|
$710.84
|
|
|
80 |
|
|
|
6.0 |
|
|
$ |
710.84 |
|
|
|
80 |
|
|
$ |
710.84 |
|
|
|
80 |
|
|
$ |
710.84 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$0.30–$710.84
|
|
|
9,807,252 |
|
|
|
5.7 |
|
|
$ |
357.92 |
|
|
|
6,263,104 |
|
|
$ |
313.68 |
|
|
|
6,244,783 |
|
|
$ |
314.38 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Schedule of Share-based Compensation, Restricted Stock Units Award Activity |
The following table
summarizes the activities for our unvested RSUs for the year ended
December 31, 2011:
|
|
|
|
|
|
|
|
|
| |
|
Unvested Restricted Stock Units
|
|
| |
|
Number of
Shares |
|
|
Weighted-
Average
Grant-Date
Fair Value |
|
|
Unvested at December 31,
2010
|
|
|
6,671,971 |
|
|
$ |
509.04 |
|
|
Granted
|
|
|
5,260,421 |
|
|
$ |
531.20 |
|
|
Vested
|
|
|
(2,691,549 |
) |
|
$ |
516.22 |
|
|
Forfeited/canceled
|
|
|
(418,195 |
) |
|
$ |
538.01 |
|
|
|
|
|
|
|
|
|
|
|
Unvested at December 31,
2011
|
|
|
8,822,648 |
|
|
$ |
520.27 |
|
|
|
|
|
|
|
|
|
|
|
Expected to vest after
December 31, 2011(1)
|
|
|
7,903,328 |
|
|
$ |
520.27 |
|
| (1) |
RSUs
expected to vest reflect an estimated forfeiture rate.
|
|