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Goodwill and Intangible Assets - Goodwill Balance (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($)
Goodwill
Beginning balance of period	$ 5,284,153
Foreign currency adjustments	26
Reallocation to segments	0
Foreign currency adjustments	251
Goodwill divested	(41,164)
Ending balance of period	5,243,266
Twilio Communications
Goodwill
Beginning balance of period	0
Reallocation to segments	4,978,094
Foreign currency adjustments	251
Goodwill divested	(41,164)
Ending balance of period	4,937,181
Twilio Segment
Goodwill
Beginning balance of period	0
Reallocation to segments	306,085
Foreign currency adjustments	0
Goodwill divested	0
Ending balance of period	$ 306,085

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