Stock-Based Compensation (Narrative) (Details) (USD $) In Millions, except Share data, unless otherwise specified	1 Months Ended	3 Months Ended	6 Months Ended		12 Months Ended
	May 31, 2011	Jul. 01, 2011	Jul. 01, 2011	Jul. 02, 2010	Dec. 31, 2010	May 11, 2010
Stock split ratio, number of shares per one share					2
Stock split, date dividend paid					Jun. 10, 2010
Stock split, dividend record date					May 25, 2010
Repurchase of common stock authorized						20,000,000
Stock to be repurchased		20,000,000	20,000,000
Additional shares authorized to be issued under the 2007 Stock Incentive Plan	7,000,000
Total number of authorized shares to be issued under the 2007 Stock Incentive Plan		45,000,000	45,000,000
Maximum number of authorized shares grantable in any form other than stock options or stock appreciation rights.		14,000,000	14,000,000
Stock options vesting period, years			5
Stock option term, years			10
Vesting period of restricted shares issued under Tektronix 2005 Stock Incentive Plan, in years					five
Common shares reserved for issuance under the 2007 Stock Incentive Plan		22,000,000	22,000,000
Aggregate intrinsic value of options exercised			$ 56	$ 95
Cash receipts due to exercise of options			59	71
Recognition of excess tax benefits from exercise of employee stock options			17
Tax benefit related to the vesting of restricted stock units		1	4
Total number of shares withheld sufficient to fund minimum tax withholding requirements related to the vesting of restricted stock units			73,495,000
Total value of shares withheld sufficient to fund minimum tax withholding requirements related to the vesting of restricted stock units			4
Restricted Shares [Member]
Stock options vesting period, years			5
Restricted Stock Units (RSUs) [Member]
Total unrecognized compensation cost		107	107
Weighted average period for cost to be recognized (in years)			3
Stock Options [Member]
Total unrecognized compensation cost		$ 126	$ 126
Weighted average period for cost to be recognized (in years)			2