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Revenue by Geographic Area and Business Units - Revenue and Percentage of Revenue by Geographic Area (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenue by geographic area:
Revenue	$ 1,006,564	$ 875,363
Twilio Communications
Revenue by geographic area:
Revenue	846,658	742,745
Twilio Data & Applications
Revenue by geographic area:
Revenue	120,142	101,086
Other
Revenue by geographic area:
Revenue	39,764	31,532
United States
Revenue by geographic area:
Revenue	$ 662,092	$ 570,380
United States | Revenue from Contract with Customer Benchmark | Geographic Concentration Risk
Percentage of revenue by geographic area:
Percentage of revenue	66.00%	65.00%
International
Revenue by geographic area:
Revenue	$ 344,472	$ 304,983
International | Revenue from Contract with Customer Benchmark | Geographic Concentration Risk
Percentage of revenue by geographic area:
Percentage of revenue	34.00%	35.00%

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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