Exhibit 24

CBS CORPORATION

POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that I, the undersigned director and/or officer of CBS Corporation, a Delaware corporation (the “Company”), hereby constitute and appoint Louis J. Briskman and Angeline C. Straka, and each of them, my true and lawful attorneys-in-fact and agents, with full power to act, together or each without the other, for me and in my name, place and stead, in any and all capacities, to sign the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2010 (and any and all amendments thereto) (the “2010 Form 10K”); and to file said 2010 Form 10K so signed with all exhibits thereto, and with any and all other documents in connection therewith, with the U.S. Securities and Exchange Commission, hereby granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform any and all acts and things requisite and necessary to be done in and about the premises, as fully for all intents and purposes as I might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents or any of them may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I, the undersigned, have executed this Power of Attorney as of this 25th day of February, 2011.

Sign:	/s/ David R. Andelman
Print Name:		David R. Andelman

CBS CORPORATION

POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that I, the undersigned director and/or officer of CBS Corporation, a Delaware corporation (the “Company”), hereby constitute and appoint Louis J. Briskman and Angeline C. Straka, and each of them, my true and lawful attorneys-in-fact and agents, with full power to act, together or each without the other, for me and in my name, place and stead, in any and all capacities, to sign the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2010 (and any and all amendments thereto) (the “2010 Form 10K”); and to file said 2010 Form 10K so signed with all exhibits thereto, and with any and all other documents in connection therewith, with the U.S. Securities and Exchange Commission, hereby granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform any and all acts and things requisite and necessary to be done in and about the premises, as fully for all intents and purposes as I might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents or any of them may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I, the undersigned, have executed this Power of Attorney as of this 25th day of February, 2011.

Sign:	/s/ Joseph A. Califano, Jr.
Print Name:		Joseph A. Califano, Jr.

CBS CORPORATION

POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that I, the undersigned director and/or officer of CBS Corporation, a Delaware corporation (the “Company”), hereby constitute and appoint Louis J. Briskman and Angeline C. Straka, and each of them, my true and lawful attorneys-in-fact and agents, with full power to act, together or each without the other, for me and in my name, place and stead, in any and all capacities, to sign the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2010 (and any and all amendments thereto) (the “2010 Form 10K”); and to file said 2010 Form 10K so signed with all exhibits thereto, and with any and all other documents in connection therewith, with the U.S. Securities and Exchange Commission, hereby granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform any and all acts and things requisite and necessary to be done in and about the premises, as fully for all intents and purposes as I might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents or any of them may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I, the undersigned, have executed this Power of Attorney as of this 25th day of February, 2011.

Sign:	/s/ William S. Cohen
Print Name:		William S. Cohen

CBS CORPORATION

POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that I, the undersigned director and/or officer of CBS Corporation, a Delaware corporation (the “Company”), hereby constitute and appoint Louis J. Briskman and Angeline C. Straka, and each of them, my true and lawful attorneys-in-fact and agents, with full power to act, together or each without the other, for me and in my name, place and stead, in any and all capacities, to sign the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2010 (and any and all amendments thereto) (the “2010 Form 10K”); and to file said 2010 Form 10K so signed with all exhibits thereto, and with any and all other documents in connection therewith, with the U.S. Securities and Exchange Commission, hereby granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform any and all acts and things requisite and necessary to be done in and about the premises, as fully for all intents and purposes as I might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents or any of them may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I, the undersigned, have executed this Power of Attorney as of this 25th day of February, 2011.

Sign:	/s/ Gary L. Countryman
Print Name:		Gary L. Countryman

CBS CORPORATION

POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that I, the undersigned director and/or officer of CBS Corporation, a Delaware corporation (the “Company”), hereby constitute and appoint Louis J. Briskman and Angeline C. Straka, and each of them, my true and lawful attorneys-in-fact and agents, with full power to act, together or each without the other, for me and in my name, place and stead, in any and all capacities, to sign the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2010 (and any and all amendments thereto) (the “2010 Form 10K”); and to file said 2010 Form 10K so signed with all exhibits thereto, and with any and all other documents in connection therewith, with the U.S. Securities and Exchange Commission, hereby granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform any and all acts and things requisite and necessary to be done in and about the premises, as fully for all intents and purposes as I might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents or any of them may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I, the undersigned, have executed this Power of Attorney as of this 25th day of February, 2011.

Sign:	/s/ Charles K. Gifford
Print Name:		Charles K. Gifford

CBS CORPORATION

POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that I, the undersigned director and/or officer of CBS Corporation, a Delaware corporation (the “Company”), hereby constitute and appoint Louis J. Briskman and Angeline C. Straka, and each of them, my true and lawful attorneys-in-fact and agents, with full power to act, together or each without the other, for me and in my name, place and stead, in any and all capacities, to sign the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2010 (and any and all amendments thereto) (the “2010 Form 10K”); and to file said 2010 Form 10K so signed with all exhibits thereto, and with any and all other documents in connection therewith, with the U.S. Securities and Exchange Commission, hereby granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform any and all acts and things requisite and necessary to be done in and about the premises, as fully for all intents and purposes as I might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents or any of them may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I, the undersigned, have executed this Power of Attorney as of this 25th day of February, 2011.

Sign:	/s/ Leonard Goldberg
Print Name:		Leonard Goldberg

CBS CORPORATION

POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that I, the undersigned director and/or officer of CBS Corporation, a Delaware corporation (the “Company”), hereby constitute and appoint Louis J. Briskman and Angeline C. Straka, and each of them, my true and lawful attorneys-in-fact and agents, with full power to act, together or each without the other, for me and in my name, place and stead, in any and all capacities, to sign the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2010 (and any and all amendments thereto) (the “2010 Form 10K”); and to file said 2010 Form 10K so signed with all exhibits thereto, and with any and all other documents in connection therewith, with the U.S. Securities and Exchange Commission, hereby granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform any and all acts and things requisite and necessary to be done in and about the premises, as fully for all intents and purposes as I might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents or any of them may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I, the undersigned, have executed this Power of Attorney as of this 25th day of February, 2011.

Sign:	/s/ Bruce S. Gordon
Print Name:		Bruce S. Gordon

CBS CORPORATION

POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that I, the undersigned director and/or officer  of CBS Corporation, a Delaware corporation (the “Company”), hereby constitute and appoint Louis J. Briskman and Angeline C. Straka, and each of them, my true and lawful attorneys-in-fact and agents, with full power to act, together or each without the other, for me and in my name, place and stead, in any and all capacities, to sign the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2010 (and any and all amendments thereto) (the “2010 Form 10K”); and to file said 2010 Form 10K so signed with all exhibits thereto, and with any and all other documents in connection therewith, with the U.S. Securities and Exchange Commission, hereby granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform any and all acts and things requisite and necessary to be done in and about the premises, as fully for all intents and purposes as I might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents or any of them may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I, the undersigned, have executed this Power of Attorney as of this 25th day of February, 2011.

Sign:	/s/ Linda M. Griego
Print Name:		Linda M. Griego

CBS CORPORATION

POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that I, the undersigned director and/or officer  of CBS Corporation, a Delaware corporation (the “Company”), hereby constitute and appoint Louis J. Briskman and Angeline C. Straka, and each of them, my true and lawful attorneys-in-fact and agents, with full power to act, together or each without the other, for me and in my name, place and stead, in any and all capacities, to sign the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2010 (and any and all amendments thereto) (the “2010 Form 10K”); and to file said 2010 Form 10K so signed with all exhibits thereto, and with any and all other documents in connection therewith, with the U.S. Securities and Exchange Commission, hereby granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform any and all acts and things requisite and necessary to be done in and about the premises, as fully for all intents and purposes as I might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents or any of them may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I, the undersigned, have executed this Power of Attorney as of this 25th day of February, 2011.

Sign:	/s/ Arnold Kopelson
Print Name:		Arnold Kopelson

CBS CORPORATION

POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that I, the undersigned director and/or officer  of CBS Corporation, a Delaware corporation (the “Company”), hereby constitute and appoint Louis J. Briskman and Angeline C. Straka, and each of them, my true and lawful attorneys-in-fact and agents, with full power to act, together or each without the other, for me and in my name, place and stead, in any and all capacities, to sign the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2010 (and any and all amendments thereto) (the “2010 Form 10K”); and to file said 2010 Form 10K so signed with all exhibits thereto, and with any and all other documents in connection therewith, with the U.S. Securities and Exchange Commission, hereby granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform any and all acts and things requisite and necessary to be done in and about the premises, as fully for all intents and purposes as I might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents or any of them may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I, the undersigned, have executed this Power of Attorney as of this 25th day of February, 2011.

Sign:	/s/ Doug Morris
Print Name:		Doug Morris

CBS CORPORATION

POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that I, the undersigned director and/or officer  of CBS Corporation, a Delaware corporation (the “Company”), hereby constitute and appoint Louis J. Briskman and Angeline C. Straka, and each of them, my true and lawful attorneys-in-fact and agents, with full power to act, together or each without the other, for me and in my name, place and stead, in any and all capacities, to sign the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2010 (and any and all amendments thereto) (the “2010 Form 10K”); and to file said 2010 Form 10K so signed with all exhibits thereto, and with any and all other documents in connection therewith, with the U.S. Securities and Exchange Commission, hereby granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform any and all acts and things requisite and necessary to be done in and about the premises, as fully for all intents and purposes as I might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents or any of them may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I, the undersigned, have executed this Power of Attorney as of this 25th day of February, 2011.

Sign:	/s/ Shari Redstone
Print Name:		Shari Redstone

CBS CORPORATION

POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that I, the undersigned director and/or officer  of CBS Corporation, a Delaware corporation (the “Company”), hereby constitute and appoint Louis J. Briskman and Angeline C. Straka, and each of them, my true and lawful attorneys-in-fact and agents, with full power to act, together or each without the other, for me and in my name, place and stead, in any and all capacities, to sign the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2010 (and any and all amendments thereto) (the “2010 Form 10K”); and to file said 2010 Form 10K so signed with all exhibits thereto, and with any and all other documents in connection therewith, with the U.S. Securities and Exchange Commission, hereby granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform any and all acts and things requisite and necessary to be done in and about the premises, as fully for all intents and purposes as I might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents or any of them may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I, the undersigned, have executed this Power of Attorney as of this 25th day of February, 2011.

Sign:	/s/ Sumner M. Redstone
Print Name:		Sumner M. Redstone

CBS CORPORATION

POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that I, the undersigned director and/or officer  of CBS Corporation, a Delaware corporation (the “Company”), hereby constitute and appoint Louis J. Briskman and Angeline C. Straka, and each of them, my true and lawful attorneys-in-fact and agents, with full power to act, together or each without the other, for me and in my name, place and stead, in any and all capacities, to sign the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2010 (and any and all amendments thereto) (the “2010 Form 10K”); and to file said 2010 Form 10K so signed with all exhibits thereto, and with any and all other documents in connection therewith, with the U.S. Securities and Exchange Commission, hereby granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform any and all acts and things requisite and necessary to be done in and about the premises, as fully for all intents and purposes as I might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents or any of them may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I, the undersigned, have executed this Power of Attorney as of this 25th day of February, 2011.

Sign:	/s/ Frederic V. Salerno
Print Name:		Frederic V. Salerno