Earnings Per Share - Schedule of Computation of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Earnings Per Share [Abstract]
Net income	$ 11,339	$ 8,317	$ 2,590
Weighted-average shares outstanding - basic (in shares)	1,169,195,373	1,185,121,562	1,249,763,934
Effect of dilutive securities:
Outstanding stock options, unvested stock awards and SoftBank contingent consideration (in shares)	4,018,525	15,164,702	5,612,835
Weighted-average shares outstanding - diluted (in shares)	1,173,213,898	1,200,286,264	1,255,376,769
Earnings per share - basic (in USD per share)	$ 9.70	$ 7.02	$ 2.07
Earnings per share - diluted (in USD per share)	$ 9.66	$ 6.93	$ 2.06
Outstanding stock options and unvested stock awards
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive securities (in shares)	25,652	148,537	16,616
SoftBank contingent consideration
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive securities (in shares)	0	0	48,751,557
Ka’ena Acquisition contingent consideration
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive securities (in shares)	750,162	0	0

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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