|
Stockholders' Equity (Components of Other Comprehensive Income/ (Loss) (Details) (USD $)
In Millions, except Per Share data, unless otherwise specified
|
3 Months Ended |
9 Months Ended |
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Oct. 27, 2012
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Jul. 28, 2012
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Oct. 29, 2011
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Oct. 27, 2012
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Oct. 29, 2011
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Jul. 20, 2012
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Jul. 19, 2012
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| Stockholders' Equity [Abstract] |
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| Unrealized gain/(loss) on REITs, gross amount |
$ 1 |
|
$ 15 |
$ 52 |
$ 62 |
|
|
| Unrealized gain/(loss) on REITs, tax |
|
|
(5) |
(18) |
(22) |
|
|
| Unrealized gain/(loss) on REITs, net amount |
1 |
|
10 |
34 |
40 |
|
|
| Reclassification adjustment for (gain)/loss on REITs included in net income/(loss), gross amount |
(15) |
270 |
|
(285) |
|
|
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| Reclassification adjustment for (gain)/loss on REITs included in net income/(loss), tax |
5 |
|
|
101 |
|
|
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| Reclassification adjustment for (gain)/loss on REITs included in net income/(loss), net amount |
(10) |
|
|
(184) |
|
|
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| Net actuarial gain/(loss) arising during the period, gross amount |
(125) |
|
(58) |
(125) |
(58) |
|
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| Net actuarial gain/(loss) arising during the period, tax |
50 |
|
21 |
50 |
21 |
|
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| Net actuarial gain/(loss) arising during the period, net amount |
(75) |
|
(37) |
(75) |
(37) |
|
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| Prior service credit/(cost) arising during the period, gross amount |
|
|
(4) |
|
(4) |
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| Prior service credit/(cost) arising during the period, tax |
|
|
2 |
|
2 |
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| Prior service credit/(cost) arising during the period, net amount |
|
|
(2) |
|
(2) |
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| Reclassification of net prior service (credit)/cost recognized in net income/(loss) from a curtailment, gross amount |
(5) |
|
1 |
(5) |
1 |
|
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| Reclassification of net prior service (credit)/cost recognized in net income/(loss) from a curtailment, tax |
2 |
|
|
2 |
|
|
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| Reclassification of net prior service (credit)/cost recognized in net income/(loss) from a curtailment, net amount |
(3) |
|
1 |
(3) |
1 |
|
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| Reclassification for amortization of net actuarial (gain)/loss included in net periodic benefit expense/(income), gross amount |
61 |
|
40 |
188 |
115 |
|
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| Reclassification for amortization of net actuarial (gain)/loss included in net periodic benefit expense/(income), tax |
(24) |
|
(16) |
(74) |
(45) |
|
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| Reclassification for amortization of net actuarial (gain)/loss included in net periodic benefit expense/(income), net amount |
37 |
|
24 |
114 |
70 |
|
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| Reclassification for amortization of prior service (credit)/cost included in net periodic benefit expense/(income), gross amount |
(4) |
|
(6) |
(11) |
(19) |
|
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| Reclassification for amortization of prior service (credit)/cost included in net periodic benefit expense/(income), tax |
2 |
|
2 |
5 |
7 |
|
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| Reclassification for amortization of prior service (credit)/cost included in net periodic benefit expense, net amount |
(2) |
|
(4) |
(6) |
(12) |
|
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| Other Comprehensive Income (Loss), before Tax, Total |
(87) |
|
(12) |
(186) |
97 |
|
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| Accumulated other comprehensive (loss), Deferred Tax Asset |
35 |
|
4 |
66 |
(37) |
|
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| Total other comprehensive income/(loss), net of tax |
$ (52) |
|
$ (8) |
$ (120) |
$ 60 |
|
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| REIT unit fair market value SPG |
|
|
|
|
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$ 158.13 |
| REIT unit cash price SPG |
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$ 124.00 |
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