Annual report pursuant to Section 13 and 15(d)

STOCK-BASED COMPENSATION - Options to Purchase Shares of Class A Common Stock Issued and Outstanding (Detail)

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STOCK-BASED COMPENSATION - Options to Purchase Shares of Class A Common Stock Issued and Outstanding (Detail)
$ / shares in Units, shares in Thousands, $ in Millions
12 Months Ended
Dec. 31, 2019
USD ($)
$ / shares
shares
Shares  
Ending Balance | shares 1,498
Exercisable at December 31, 2019 | shares 915
Weighted-Average Exercise Price  
Ending Balance | $ / shares $ 100.74
Exercisable at December 31, 2019 | $ / shares $ 96.12
Weighted-Average Remaining Contractual Term (in years)  
Outstanding at December 31, 2019 6 years 4 months 13 days
Nonqualified Stock Options  
Shares  
Beginning Balance | shares 1,384
Exercised | shares (147)
Granted | shares 261
Forfeited / Expired | shares 0
Ending Balance | shares 1,498
Options Vested and Expected to Vest | shares 1,498
Exercisable at December 31, 2019 | shares 915
Weighted-Average Exercise Price  
Beginning Balance | $ / shares $ 95.36
Exercised | $ / shares 69.33
Granted | $ / shares 111.68
Forfeited / Expired | $ / shares 0
Ending Balance | $ / shares 100.74
Options Vested and Expected to Vest | $ / shares 100.74
Exercisable at December 31, 2019 | $ / shares $ 96.12
Weighted-Average Remaining Contractual Term (in years)  
Outstanding at December 31, 2019 6 years 4 months 13 days
Options Vested and Expected to Vest 6 years 4 months 13 days
Exercisable at December 31, 2019 5 years 3 months
Aggregate Intrinsic Value  
Outstanding at December 31, 2019 | $ $ 24
Options Vested and Expected to Vest | $ 24
Exercisable at December 31, 2019 | $ $ 19