Pay vs Performance Disclosure - USD ($)

12 Months Ended

Dec. 31, 2025

Dec. 31, 2024

Dec. 31, 2023

Dec. 31, 2022

Dec. 31, 2021

Pay vs Performance Disclosure

Pay vs Performance Disclosure, Table

Pay Versus Performance
Year	Summary Compensation Table Total for PEO		Compensation Actually Paid to PEO		Average Summary Compensation Table Total for Non-PEO NEOs		Average Compensation Actually Paid to Non-PEO NEOs		Value of Initial Fixed $100 Investment Based On:				Net Loss
									Rocket Lab Total Shareholder Return		Peer Group Total Shareholder Return
(1)	(2)		(3)		(2)		(4)		(5)		(6)
2025	$	6,830,680	$	23,355,230	$	442,858	$	22,211,105	$	669	$	141	$	(198,209,000)
2024	$	20,110,758	$	22,052,615	$	4,051,311	$	20,115,446	$	244	$	95	$	(190,175,000)
2023	$	962,714	$	962,714	$	644,478	$	2,330,238	$	53	$	75	$	(182,571,000)
2022	$	837,820	$	837,820	$	4,688,684	$	2,278,142	$	36	$	60	$	(135,944,000)
2021	$	325,246	$	325,246	$	5,098,005	$	7,036,152	$	118	$	92	$	(117,320,000)

Named Executive Officers, Footnote

1.Peter Beck served as the Company’s Principal Executive (our “PEO”) for the entirety of fiscal years 2021, 2022, 2023, 2024 and 2025. The Company’s other Reported NEOs for the indicated fiscal years were as follows:

•2025: A. Spice, F. Klein, and A. Kampani

•2024: A. Spice, F. Klein, and A. Kampani

•2023: A. Spice and A. Kampani

•2022: A. Spice, S. O’Donnell, and A. Kampani

•2021: A. Spice and S. O’Donnell

Peer Group Issuers, Footnote

The TSR Peer Group is the ARK Space Exploration & Innovation ETF. This calculation assumes that $100 was invested in this index on August 25, 2021 (aligned with the period used in footnote #5 above).

PEO Total Compensation Amount

$ 6,830,680

$ 20,110,758

$ 962,714

$ 837,820

$ 325,246

PEO Actually Paid Compensation Amount

$ 23,355,230

22,052,615

962,714

837,820

325,246

Adjustment To PEO Compensation, Footnote

Amounts reported in these columns represent (i) the total compensation reported in the Summary Compensation Table for the indicated fiscal year in the case of our PEO and (ii) the average of the total compensation reported in the Summary Compensation Table for the Reported NEOs in the indicated year for such years.

3.Amounts reported in these columns represent the compensation actually paid to our PEO for the indicated fiscal year, as calculated under Item 402(v) of Regulation S-K based on his total compensation reported in the Summary Compensation Table for the indicated fiscal years and adjusted per the PVP Rules to determine compensation actually paid. Such adjustments for 2025 are shown in the table below.

PEO
+/-		2025
	Summary Compensation Table - Total Compensation	$	6,830,680
-	Grant Date Fair Value of Stock Awards and Option Awards Granted in Fiscal Year	$	6,030,680
+	Fair Value at Fiscal Year End of Outstanding and Unvested Stock Awards and Option Awards Granted in Fiscal Year	$	8,660,660
+	Change in Fair Value of Outstanding and Unvested Stock Awards and Option Awards Granted in Prior Fiscal Years	$	13,984,523
+	Fair Value at Vesting of Stock Awards and Option Awards Granted in Fiscal Year That Vested During Fiscal Year	$	333,548
+	Change in Fair Value as of Vesting Date of Stock Awards and Option Awards Granted in Prior Fiscal Years For Which Applicable Vesting Conditions Were Satisfied During Fiscal Year	$	(423,501)
+	Value of Dividends or other Earnings Paid on Equity Awards not Otherwise Reflected in Fair Value or Total Compensation	$	—
-	Fair Value as of Prior Fiscal Year End of Stock Awards and Option Awards Granted in Prior Fiscal Years That Failed to Meet Applicable Vesting Conditions During Fiscal Year	$	—
=	Compensation Actually Paid	$	23,355,230

Equity Award values are calculated in accordance with FASB ASC Topic 718, and the valuation assumptions used to calculate fair values did not materially differ from those disclosed at the time of grant.

Non-PEO NEO Average Total Compensation Amount

$ 442,858

4,051,311

644,478

4,688,684

5,098,005

Non-PEO NEO Average Compensation Actually Paid Amount

$ 22,211,105

20,115,446

2,330,238

2,278,142

7,036,152

Adjustment to Non-PEO NEO Compensation Footnote

Amounts reported in these columns represent (i) the total compensation reported in the Summary Compensation Table for the indicated fiscal year in the case of our PEO and (ii) the average of the total compensation reported in the Summary Compensation Table for the Reported NEOs in the indicated year for such years.Amounts reported in these columns represent the average compensation actually paid to the Reported NEOs in the indicated fiscal year, as calculated under Item 402(v) of Regulation S-K based on their total compensation reported in the Summary Compensation Table for the indicated fiscal years and adjusted per the PVP Rules to determine compensation actually paid. Such adjustments for 2025 are shown in the table below.

NEO Average
		2025
	Summary Compensation Table - Total Compensation	$	442,858
-	Grant Date Fair Value of Stock Awards and Option Awards Granted in Fiscal Year	$	—
+	Fair Value at Fiscal Year End of Outstanding and Unvested Stock Awards and Option Awards Granted in Fiscal Year	$	—
+	Change in Fair Value of Outstanding and Unvested Stock Awards and Option Awards Granted in Prior Fiscal Years	$	19,356,324
+	Fair Value at Vesting of Stock Awards and Option Awards Granted in Fiscal Year That Vested During Fiscal Year	$	—
+	Change in Fair Value as of Vesting Date of Stock Awards and Option Awards Granted in Prior Fiscal Years For Which Applicable Vesting Conditions Were Satisfied During Fiscal Year	$	2,411,923
+	Average Value of Dividends or other Earnings Paid on Equity Awards not Otherwise Reflected in Fair Value or Total Compensation	$	—
-	Fair Value as of Prior Fiscal Year End of Stock Awards and Option Awards Granted in Prior Fiscal Years That Failed to Meet Applicable Vesting Conditions During Fiscal Year	$	—
=	Compensation Actually Paid	$	22,211,105

Please see footnote 1 for the Reported NEOs included in the average for each indicated fiscal year. Equity Award values are calculated in accordance with FASB ASC Topic 718, and the valuation assumptions used to calculate fair values did not materially differ from those disclosed at the time of grant.

Compensation Actually Paid vs. Total Shareholder Return

Compensation Actually Paid vs. Net Income

Total Shareholder Return Amount

$ 669

244

53

36

118

Peer Group Total Shareholder Return Amount

141

95

75

60

92

Net Income (Loss)

$ (198,209,000)

$ (190,175,000)

$ (182,571,000)

$ (135,944,000)

$ (117,320,000)

PEO Name

Peter Beck

Additional 402(v) Disclosure

Pursuant to Pursuant to Item 402(v) of Regulation S-K, the comparison assumes $100 was invested in our Common Stock on August 25, 2021, using the closing stock price of the end of the day we began training on the NASDAQ after our merger with Vector Acquisition Corporation (the “Business Combination”). Historic stock price performance is not necessarily indicative of future stock price performance.

PEO | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

$ (6,030,680)

PEO | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

8,660,660

PEO | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

13,984,523

PEO | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

333,548

PEO | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

(423,501)

PEO | Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

0

PEO | Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

0

Non-PEO NEO | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

0

Non-PEO NEO | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

0

Non-PEO NEO | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

19,356,324

Non-PEO NEO | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

0

Non-PEO NEO | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

2,411,923

Non-PEO NEO | Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

0

Non-PEO NEO | Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

$ 0