Debt Instrument, Change of Control, Redemption Price, Percent

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Face (par) amount of debt instrument at time of issuance.

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Description of the frequency of periodic payments (monthly, quarterly, annual).

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Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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- Definition

Amount, after accumulated amortization, of debt discount.

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- Definition

Amount, after accumulated amortization, of debt premium.

+ References

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- Definition

Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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- Definition

Amount of interest capitalized during the period.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Debt (Narrative) (Details) - USD ($) $ in Millions						12 Months Ended
Debt (Narrative) (Details) - USD ($) $ in Millions	Sep. 06, 2016	Mar. 01, 2016	Feb. 12, 2016	Sep. 15, 2015	May 28, 2015	Jan. 29, 2017	Jan. 31, 2016	Feb. 01, 2015
Debt Instrument [Line Items]
Redemption Price of Long-Term Debt						100.00%
Change of Control Redemption Price of Long-Term Debt						101.00%
Interest Costs Incurred [Abstract]
Interest Capitalized						$ 1	$ 2	$ 2
Maturities of Long-Term Debt [Abstract]
Maturities of Long-Term Debt for 2017						542
Maturities of Long-Term Debt for 2018						1,200
Maturities of Long-Term Debt for 2019						1,000
Maturities of Long-Term Debt for 2020						573
Maturities of Long-Term Debt for 2021						2,400
Maturities of Long-Term Debt for fiscal years thereafter						$ 17,200
2.125% Senior Notes Due September 15, 2026 [Member]
Debt Instrument [Line Items]
Face Amount of Long-Term Debt	$ 1,000
Debt Instrument, Interest Rate, Stated Percentage	2.125%					2.125%
Maturity Date of Long-Term Debt	Sep. 15, 2026
Unamortized Discount of Long-Term Debt	$ 11
Frequency of Periodic Payment of Long-Term Debt	semi-annually on March 15 and September 15
3.5% Senior Notes Due September 15, 2056 [Member]
Debt Instrument [Line Items]
Face Amount of Long-Term Debt	$ 1,000
Debt Instrument, Interest Rate, Stated Percentage	3.50%					3.50%
Maturity Date of Long-Term Debt	Sep. 15, 2056
Unamortized Discount of Long-Term Debt	$ 19
Frequency of Periodic Payment of Long-Term Debt	semi-annually on March 15 and September 15
2.00% Senior Notes Due April 1, 2021 [Member]
Debt Instrument [Line Items]
Face Amount of Long-Term Debt			$ 1,350
Debt Instrument, Interest Rate, Stated Percentage			2.00%			2.00%
Maturity Date of Long-Term Debt			Apr. 01, 2021
Unamortized Discount of Long-Term Debt			$ 5
Frequency of Periodic Payment of Long-Term Debt			semi-annually on April 1 and October 1
3.00% Senior Notes Due April 1, 2026 [Member]
Debt Instrument [Line Items]
Face Amount of Long-Term Debt			$ 1,300
Debt Instrument, Interest Rate, Stated Percentage			3.00%			3.00%
Maturity Date of Long-Term Debt			Apr. 01, 2026
Unamortized Discount of Long-Term Debt			$ 8
Frequency of Periodic Payment of Long-Term Debt			semi-annually on April 1 and October 1
Additional 4.25 Senior Notes Due April 1, 2046 [Member]
Debt Instrument [Line Items]
Face Amount of Long-Term Debt			$ 350
Debt Instrument, Interest Rate, Stated Percentage			4.25%
Maturity Date of Long-Term Debt			Apr. 01, 2046
Debt Instrument, Unamortized Premium			$ 2
Frequency of Periodic Payment of Long-Term Debt			semi-annually on April 1 and October 1
4.25% Senior Notes Due April 1, 2046 [Member]
Debt Instrument [Line Items]
Face Amount of Long-Term Debt			$ 1,600		$ 1,250
Debt Instrument, Interest Rate, Stated Percentage					4.25%	4.25%
Maturity Date of Long-Term Debt					Apr. 01, 2046
Unamortized Discount of Long-Term Debt					$ 3
Frequency of Periodic Payment of Long-Term Debt					semi-annually on April 1 and October 1
5.40% Senior Notes Due March 1, 2016 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		5.40%
Maturity Date of Long-Term Debt		Mar. 01, 2016
Floating Rate Senior Notes Due September 15, 2017 [Member]
Debt Instrument [Line Items]
Face Amount of Long-Term Debt				$ 500
Maturity Date of Long-Term Debt				Sep. 15, 2017
Frequency of Periodic Payment of Long-Term Debt				quarterly on March 15, June 15, September 15 and December 15
3.35% Senior Notes Due September 15, 2025 [Member]
Debt Instrument [Line Items]
Face Amount of Long-Term Debt				$ 1,000
Debt Instrument, Interest Rate, Stated Percentage				3.35%		3.35%
Maturity Date of Long-Term Debt				Sep. 15, 2025
Unamortized Discount of Long-Term Debt				$ 1
Frequency of Periodic Payment of Long-Term Debt				semi-annually on March 15 and September 15
2.625% Senior Notes Due June 1, 2022 [Member]
Debt Instrument [Line Items]
Face Amount of Long-Term Debt					$ 1,250
Debt Instrument, Interest Rate, Stated Percentage					2.625%	2.625%
Maturity Date of Long-Term Debt					Jun. 01, 2022
Unamortized Discount of Long-Term Debt					$ 5
Frequency of Periodic Payment of Long-Term Debt					semi-annually on June 1 and December 1
2.25% Senior Notes Due September 10, 2018 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage						2.25%
Maturity Date of Long-Term Debt						Sep. 10, 2018
Frequency of Periodic Payment of Long-Term Debt						semi-annually on March 10 and September 10
2.00% Senior Notes Due June 15, 2019 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage						2.00%
Maturity Date of Long-Term Debt						Jun. 15, 2019
Frequency of Periodic Payment of Long-Term Debt						semi-annually on June 15 and December 15
3.95% Senior Notes Due September 15, 2020 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage						3.95%
Maturity Date of Long-Term Debt						Sep. 15, 2020
Frequency of Periodic Payment of Long-Term Debt						semi-annually on March 15 and September 15
4.40% Senior Notes Due April 1, 2021 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage						4.40%
Maturity Date of Long-Term Debt						Apr. 01, 2021
Frequency of Periodic Payment of Long-Term Debt						semi-annually on April 1 and October 1
2.70% Senior Notes Due April 1, 2023 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage						2.70%
Maturity Date of Long-Term Debt						Apr. 01, 2023
Frequency of Periodic Payment of Long-Term Debt						semi-annually on April 1 and October 1
3.75% Senior Notes Due February 15, 2024 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage						3.75%
Maturity Date of Long-Term Debt						Feb. 15, 2024
Frequency of Periodic Payment of Long-Term Debt						semi-annually on February 15 and August 15
5.875% Senior Notes Due December 16, 2036 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage						5.875%
Maturity Date of Long-Term Debt						Dec. 16, 2036
Frequency of Periodic Payment of Long-Term Debt						semi-annually on June 16 and December 16
5.40% Senior Notes Due September 15, 2040 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage						5.40%
Maturity Date of Long-Term Debt						Sep. 15, 2040
Frequency of Periodic Payment of Long-Term Debt						semi-annually on March 15 and September 15
5.95% Senior Notes Due April 1, 2041 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage						5.95%
Maturity Date of Long-Term Debt						Apr. 01, 2041
Frequency of Periodic Payment of Long-Term Debt						semi-annually on April 1 and October 1
4.20% Senior Notes Due April 1, 2043 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage						4.20%
Maturity Date of Long-Term Debt						Apr. 01, 2043
Frequency of Periodic Payment of Long-Term Debt						semi-annually on April 1 and October 1
4.875% Senior Notes Due February 15, 2044 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage						4.875%
Maturity Date of Long-Term Debt						Feb. 15, 2044
Frequency of Periodic Payment of Long-Term Debt						semi-annually on February 15 and August 15
4.40% Senior Notes Due March 15, 2045 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage						4.40%
Maturity Date of Long-Term Debt						Mar. 15, 2045
Frequency of Periodic Payment of Long-Term Debt						semi-annually on March 15 and September 15
September 2016 Issuance [Member]
Debt Instrument [Line Items]
Unamortized Discount of Long-Term Debt	$ 30
Debt Issuance Costs, Gross	$ 16
February 2016 Issuance [Member]
Debt Instrument [Line Items]
Debt Instrument, Unamortized Premium			2
Unamortized Discount of Long-Term Debt			13
Debt Issuance Costs, Gross			$ 17
September 2015 Issuance [Member]
Debt Instrument [Line Items]
Debt Issuance Costs, Gross				$ 7
May 2015 Issuance [Member]
Debt Instrument [Line Items]
Unamortized Discount of Long-Term Debt					$ 8
Debt Issuance Costs, Gross					$ 19