Stockholders' Equity (Details 1) - 2018 Authorization [Member] - USD ($) |
May 31, 2020 |
Jan. 31, 2018 |
|---|---|---|
| Class A and Class B [Member] | ||
| Equity, Class of Treasury Stock [Line Items] | ||
| Repurchase Authorization | $ 3,000,000,000.0 | |
| Class A Common Stock [Member] | ||
| Equity, Class of Treasury Stock [Line Items] | ||
| Dollar Value of Shares Repurchased | $ 1,045,900,000 | |
| Number of Shares Repurchased | 4,897,605 |
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Definition Amount of stock repurchase plan authorized. No definition available.
|
| X | ||||||||||
- Definition Number of shares that have been repurchased during the period and are being held in treasury. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|