Stock Transactions and Stock-Based Compensation (Narrative) (Details) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Jul. 16, 2013	May 31, 2013	May 10, 2012	May 09, 2012
Stock repurchased during period, shares	0	0
Common stock, shares authorized	2,000,000,000	2,000,000,000				2,000,000,000	1,000,000,000
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Repurchase of common stock authorized				20,000,000
Stock repurchase program, remaining number of shares authorized to be repurchased	20,000,000
Purchase of stock, shares		12,500,000
Purchase of stock		$ (648.0)
Additional shares authorized to be issued under the 2007 Stock Incentive Plan					24,000,000
Total number of authorized shares to be issued under the 2007 Stock Incentive Plan					62,000,000
Maximum number of authorized shares grantable in any form other than stock options or stock appreciation rights					19,000,000
Stock option term, years	10 years
Common shares reserved for issuance under the 2007 Stock Incentive Plan	29,000,000
Aggregate intrinsic value of options exercised	165	226	105
Cash receipts due to exercise of options	158	201	114
Adjustments to additional paid in capital, income tax benefit from share-based compensation	80	106	40
Total number of shares withheld sufficient to fund minimum tax withholding requirements related to the vesting of restricted stock units	523,000	1,200,000
Total value of shares withheld sufficient to fund minimum tax withholding requirements related to the vesting of restricted stock units	34	65
Stock options:
Vesting period of restricted shares issued under the Tektronix Plans, in years	5 years
RSUs and restricted shares:
Vesting period of restricted shares issued under the Tektronix Plans, in years	5 years
Total unrecognized compensation cost	142
Weighted average period for cost to be recognized (in years)	3 years
Adjustments to additional paid in capital, income tax benefit from share-based compensation	28	31	7
Restricted Stock [Member]
Vesting period of restricted shares issued under the Tektronix Plans, in years	5 years
Stock Options
Total unrecognized compensation cost	132
Weighted average period for cost to be recognized (in years)	3 years
Adjustments to additional paid in capital, income tax benefit from share-based compensation	$ 52	$ 75	$ 33