POWER OF ATTORNEY

	KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and
appoints Janet B. Wright as the undersigned's true and lawful attorney-in-fact
("Attorney-in-Fact") to:

		(a)	Execute for and on behalf of the undersigned, in the undersigned's
capacity as an officer and/or director of Dell Inc. (the "Company"), Forms 3, 4
and 5 in accordance with Section 16(a) of the Securities Exchange Act of 1934
(the "Exchange Act") and the rules thereunder;

		(b)	Do and perform any and all acts for and on behalf of the undersigned which
may be necessary or desirable to complete and execute any such Form 3, 4 or 5
and timely file such form with the United States Securities and Exchange
Commission and any stock exchange or similar authority; and

		(c)	Take any other action of any type whatsoever in connection with the
foregoing which, in the opinion of the Attorney-in-Fact, may be of benefit to,
in the best interest of or legally required by the undersigned, it being
understood that the documents executed by the Attorney-in-Fact on behalf of the
undersigned pursuant to this Power of Attorney shall be in such form and shall
contain such terms and conditions as such Attorney-in-Fact may approve in the
Attorney-in-Fact's discretion.

	The undersigned hereby grants to the Attorney-in-Fact full power and authority
to do and perform any and every act and thing whatsoever requisite, necessary or
proper to be done in the exercise of any of the rights and powers herein
granted, as fully to all intents and purposes as the undersigned might or could
do if personally present, with full power of substitution or revocation, hereby
ratifying and confirming all that the Attorney-in-Fact, or the
Attorney-in-Fact's substitute or substitutes, shall lawfully do or cause to be
done by virtue of this Power of Attorney and the rights and powers herein
granted.  The undersigned acknowledges that the Attorney-in-Fact, in serving in
such capacity at the request of the undersigned, is not assuming, nor is the
Company assuming, any of the undersigned's responsibilities to comply with
Section 16 of the Exchange Act.

	This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4 and 5 with respect to the
undersigned's holdings of and transactions in securities issued by the Company,
unless earlier revoked by the undersigned in a signed writing delivered to the
Attorney-in-Fact.

	In witness hereof, the undersigned has caused this Power of Attorney to be
executed as of the date indicated below.


	/s/Lawrence P. Tu
							Lawrence P. Tu

							5/20/08_________________
							Date