Acquisitions - Schedule of Acquisition (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020	Oct. 16, 2020	Dec. 31, 2019	Feb. 01, 2019
Acquired Assets:
Goodwill	$ 3,151	$ 3,122		$ 3,843
Assumed Liabilities:
Conversion feature of debt					$ 62
Stitcher
Acquired Assets:
Receivables, net			$ 21
Prepaid expenses and other current assets			16
Property and equipment			8
Intangible assets			38
Goodwill			224
Operating lease right-of-use assets			11
Total assets			318
Assumed Liabilities:
Accounts payable and accrued expenses			4
Deferred revenue			1
Operating lease current liabilities			2
Operating lease liabilities			9
Total liabilities			$ 16
Pandora
Acquired Assets:
Cash and cash equivalents					313
Receivables, net					353
Prepaid expenses and other current assets					109
Property and equipment					65
Intangible assets					1,107
Goodwill				$ 1,553	1,553
Deferred tax assets					102
Operating lease right-of-use assets					104
Long term assets					7
Total assets					3,713
Assumed Liabilities:
Accounts payable and accrued expenses					324
Deferred revenue					37
Operating lease current liabilities					28
Current maturities of debt					151
Long-term debt					218
Operating lease liabilities					69
Other long-term liabilities					7
Total liabilities					834
Total consideration					$ 2,879