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Common Stock and Stock-Based Incentive Compensation Plans (Tables)
 12 Months Ended
Dec. 27, 2025
Share-Based Payment Arrangement [Abstract]  
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Stock-based compensation expense was allocated in the Company’s Consolidated Statements of Operations as follows:
Year Ended
December 27, 2025December 28, 2024December 30, 2023
 (In millions)
Cost of sales$26 $21 $30 
Research and development1,287 1,079 1,002 
Marketing, general, and administrative325 307 352 
Total stock-based compensation expense before income taxes1,638 1,407 1,384 
Income tax benefit(293)(251)(249)
Total stock-based compensation expense, net of income taxes$1,345 $1,156 $1,135 
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions The weighted-average estimated fair value of employee stock options granted during 2025, 2024 and 2023 was $89.01, $68.38 and $53.72 per share, respectively, using the following assumptions:
December 27, 2025December 28, 2024December 30, 2023
Expected volatility52.25 %54.34 %
52.36% - 52.42%
Risk-free interest rate3.82 %3.80 %
3.93% - 4.11%
Expected dividends— %— %— %
Expected life (in years)4.974.98
4.96 - 5.04
The weighted-average grant date fair values of PRSUs granted during 2025, 2024 and 2023 were $263.71, $118.98 and $134.87, respectively, using the following assumptions:
December 27, 2025December 28, 2024December 30, 2023
Expected volatility
50.74% - 51.77%
52.68% - 53.19%
51.12% - 56.22%
Risk-free interest rate
3.70%- 4.22%
3.82% - 4.41%
4.30%- 4.36%
Expected dividends— %— %— %
Expected term (in years)
3.00
2.48 - 3.00
2.17 - 3.00
Schedule of Share-based Compensation, Stock Options, Activity
The following table summarizes stock option activity and related information:
Outstanding Number
of Shares		Weighted-
Average
Exercise
Price		Aggregate Intrinsic ValueWeighted-Average Remaining Contractual Life
(in years)
 (In millions, except share price)
Balance as of December 28, 20242 $89.73 
Granted— $177.51 
Forfeited— $110.30 
Exercised— $43.04 
Balance as of December 27, 20252 $117.60 $77 4.17
Exercisable December 27, 20251 $98.94 $58 3.06
Schedule of Share-based Compensation, Restricted Stock Units, Activity
The following table summarizes time-based RSU activity and related information:
Number
of Shares		Weighted- Average Grant Date Fair Value
 
(In millions)
Unvested shares as of December 28, 202430 $116.77 
Granted16 $158.26 
Forfeited(2)$120.12 
Vested(11)$113.34 
Unvested shares as of December 27, 202533 $138.14 
Schedule of Nonvested Performance-based Units Activity
The following table summarizes PRSU activity and related information:
 Number
of Shares		Weighted-Average
Grant Date Fair Value
(In millions)
Unvested shares as of December 28, 20242 $139.31 
Granted1 $263.71 
Forfeited— $142.51 
Vested(1)$120.06 
Unvested shares as of December 27, 20252 $180.93 
Schedule of ESPP The weighted-average grant date fair value for the ESPP during 2025, 2024 and 2023 was $48.39, $43.80 and $31.11 per share, respectively, using the following assumptions:
December 27, 2025December 28, 2024December 30, 2023
Expected volatility
56.47% - 56.79%
48.14% - 49.38%
45.74% - 49.40%
Risk-free interest rate
3.79% - 4.28%
4.42% - 5.41%
5.13% - 5.46%
Expected dividends— %— %— %
Expected term (in years)0.500.500.50
Schedule of Common Stock Outstanding Roll Forward
Shares of common stock outstanding were as follows:
Year Ended
December 27,
2025		December 28,
2024		December 30,
2023
(In millions)
Balance, beginning of period1,622 1,616 1,612 
Common stock issued in the acquisition of ZT Systems
9 — — 
Common stock issued under employee equity plans15 17 17 
Repurchases of common stock(12)(6)(10)
Common stock repurchases for tax withholding on equity awards(4)(5)(4)
Issuance of common stock upon warrant exercise— — 1 
Balance, end of period1,630 1,622 1,616