INVESTMENTS AND FAIR VALUE MEASUREMENT - Schedule of Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - Fair Value, Recurring - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Assets
Total financial assets	$ 12,765	$ 10,181
Liabilities
Total financial liabilities	12,706	9,428
Commercial paper
Assets
Cash equivalents	2
Available-for-sale investments		5
U.S. government agency securities
Assets
Available-for-sale investments		3
Corporate debt securities
Assets
Cash equivalents	2
Available-for-sale investments	1	2
Equity securities - securities owned
Assets
Other current assets	9	8
Asset related to user cryptocurrencies safeguarding obligation
Assets
Other current assets	11,489	8,431
User-held fractional shares
Assets
Other current assets	1,217	997
User cryptocurrencies safeguarding obligation
Liabilities
Other liabilities	11,489	8,431
Fractional share repurchase obligations
Liabilities
Other liabilities	1,217	997
Money market funds
Assets
Cash equivalents	45	735
Level 1
Assets
Total financial assets	1,271	1,743
Liabilities
Total financial liabilities	1,217	997
Level 1 | Commercial paper
Assets
Cash equivalents	0
Available-for-sale investments		0
Level 1 | U.S. government agency securities
Assets
Available-for-sale investments		3
Level 1 | Corporate debt securities
Assets
Cash equivalents	0
Available-for-sale investments	0	0
Level 1 | Equity securities - securities owned
Assets
Other current assets	9	8
Level 1 | Asset related to user cryptocurrencies safeguarding obligation
Assets
Other current assets	0	0
Level 1 | User-held fractional shares
Assets
Other current assets	1,217	997
Level 1 | User cryptocurrencies safeguarding obligation
Liabilities
Other liabilities	0	0
Level 1 | Fractional share repurchase obligations
Liabilities
Other liabilities	1,217	997
Level 1 | Money market funds
Assets
Cash equivalents	45	735
Level 2
Assets
Total financial assets	11,494	8,438
Liabilities
Total financial liabilities	11,489	8,431
Level 2 | Commercial paper
Assets
Cash equivalents	2
Available-for-sale investments		5
Level 2 | U.S. government agency securities
Assets
Available-for-sale investments		0
Level 2 | Corporate debt securities
Assets
Cash equivalents	2
Available-for-sale investments	1	2
Level 2 | Equity securities - securities owned
Assets
Other current assets	0	0
Level 2 | Asset related to user cryptocurrencies safeguarding obligation
Assets
Other current assets	11,489	8,431
Level 2 | User-held fractional shares
Assets
Other current assets	0	0
Level 2 | User cryptocurrencies safeguarding obligation
Liabilities
Other liabilities	11,489	8,431
Level 2 | Fractional share repurchase obligations
Liabilities
Other liabilities	0	0
Level 2 | Money market funds
Assets
Cash equivalents	0	0
Level 3
Assets
Total financial assets	0	0
Liabilities
Total financial liabilities	0	0
Level 3 | Commercial paper
Assets
Cash equivalents	0
Available-for-sale investments		0
Level 3 | U.S. government agency securities
Assets
Available-for-sale investments		0
Level 3 | Corporate debt securities
Assets
Cash equivalents	0
Available-for-sale investments	0	0
Level 3 | Equity securities - securities owned
Assets
Other current assets	0	0
Level 3 | Asset related to user cryptocurrencies safeguarding obligation
Assets
Other current assets	0	0
Level 3 | User-held fractional shares
Assets
Other current assets	0	0
Level 3 | User cryptocurrencies safeguarding obligation
Liabilities
Other liabilities	0	0
Level 3 | Fractional share repurchase obligations
Liabilities
Other liabilities	0	0
Level 3 | Money market funds
Assets
Cash equivalents	$ 0	$ 0