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Acquisitions, Goodwill, and Acquired Intangible Assets (Tables)
 12 Months Ended
Dec. 31, 2024
Business Combination, Asset Acquisition, and Joint Venture Formation [Abstract]  
Summary of Goodwill Activity The following summarizes our goodwill activity in 2023 and 2024 by segment (in millions):
North
America		InternationalAWSConsolidated
Goodwill - January 1, 2023$16,621 $2,411 $1,256 $20,288 
Acquisition activity2,494 — — 2,494 
Other adjustments (1)11 1 (5)7 
Goodwill - December 31, 202319,126 2,412 1,251 22,789 
Acquisition activity191 77 52 320 
Other adjustments (1)(28)(4)(3)(35)
Goodwill - December 31, 2024$19,289 $2,485 $1,300 $23,074 
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(1)Primarily includes changes in foreign exchange rates.
Schedule of Acquired Finite-Lived Intangible Assets by Major Class
Acquired identifiable intangible assets are valued primarily by using discounted cash flows. These assets are included within “Other assets” on our consolidated balance sheets and consist of the following (in millions):
 
 December 31,
 20232024
  
Acquired
Intangibles,
Gross (1)		Accumulated
Amortization (1)		Acquired
Intangibles,
Net		Acquired
Intangibles,
Gross (1)		Accumulated
Amortization (1)		Acquired
Intangibles,
Net		Weighted
Average Life
Remaining
Finite-lived intangible assets (2):
Marketing-related$2,643 $(738)$1,905 $2,629 $(860)$1,769 16.8
Contract-based4,800 (1,129)3,671 5,767 (1,541)4,226 10.9
Technology- and content-based743 (340)403 1,246 (284)962 3.2
Customer-related749 (188)561 764 (282)482 5.7
Total finite-lived intangible assets$8,935 $(2,395)$6,540 $10,406 $(2,967)$7,439 11.0
IPR&D and other (3)$1,147  $1,147 $1,163  $1,163 
Total acquired intangibles $10,082 $(2,395)$7,687 $11,569 $(2,967)$8,602 
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(1)Excludes the original cost and accumulated amortization of fully-amortized intangibles.
(2)Finite-lived intangible assets, excluding acquired video content, have estimated useful lives of between one and twenty-five years, and are being amortized to operating expenses on a straight-line basis.
(3)Intangible assets acquired in a business combination that are in-process and used in research and development activities are considered indefinite-lived until the completion or abandonment of the research and development efforts. Once the research and development efforts are completed, we determine the useful life and begin amortizing the assets.
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense Expected future amortization expense of acquired finite-lived intangible assets as of December 31, 2024 is as follows (in millions):
 
Year Ended December 31,
2025$994 
2026918 
2027796 
2028632 
2029615 
Thereafter3,484 
$7,439