497

American Funds Portfolio Series

6455 Irvine Center Drive

Irvine, California  92618

Phone (213) 486 9447

Fax (213) 486 9455

E-mail: siik@capgroup.com

Steven I. Koszalka

Secretary

July 6, 2012

Document Control

U.S. Securities and Exchange Commission

Office of Insurance Products

100 F Street, NE

Washington, DC 20549

Re:	American Funds Portfolio Series (“Series”)
	File No. 333-178936 and No. 811-22656

Dear Sir or Madam:

On behalf of the Series, transmitted for filing pursuant to Rule 497 under the Securities Act of 1933 are exhibits containing interactive data format risk/return summary information.

The interactive data files included as an exhibit to this filing relate to the form of prospectus filed with the Securities and Exchange Commission on June 15, 2012 pursuant to Rule 497 (Accession No. 0001537151-12-000039), which is incorporated by reference into this filing.

If you have any questions, please fee free to contact me.

Sincerely,

/s/ Steven I. Koszalka

Steven I. Koszalka

Attachment

XML

American Funds Tax-Exempt Preservation Portfolio (Prospectus Summary): | American Funds Tax-Exempt Preservation Portfolio

American Funds Tax-Exempt Preservation Portfolio  

American Funds Portfolio Series SM
Prospectus Supplement

June 15, 2012

(for prospectus dated March 27, 2012)

The table in the Summary section for the American Funds Tax-Exempt Preservation Portfolio under the heading “Annual fund operating expenses” in the “Fees and expenses of the fund” section of the prospectus is amended in its entirety as follows:

Annual fund operating expenses (expenses that you pay each year as a percentage of the value of your investment)

Annual Fund Operating Expenses American Funds Tax-Exempt Preservation Portfolio		Class A	Class B	Class C	Class F-1	Class F-2
Management fees		0.10%	0.10%	0.10%	0.10%	0.10%
Distribution and/or service (12b-1) fees		0.25%	1.00%	1.00%	0.25%	none
Other expenses	[1]	0.68%	0.68%	0.68%	0.62%	0.64%
Acquired (underlying) fund fees and expenses	[1]	0.31%	0.31%	0.31%	0.31%	0.31%
Total annual fund operating expenses		1.34%	2.09%	2.09%	1.28%	1.05%
Fee waiver and/or expense reimbursement	[2]	0.58%	0.58%	0.58%	0.58%	0.58%
Total annual fund operating expenses after fee waiver and/or expense reimbursement		0.76%	1.51%	1.51%	0.70%	0.47%

Example  

The table in the Summary section for the American Funds Tax-Exempt Preservation Portfolio under the heading “Example” in the “Fees and expenses of the fund” section of the prospectus is amended in its entirety as follows:

Expense Example American Funds Tax-Exempt Preservation Portfolio (USD $)	Expense Example, With Redemption, 1 Year	Expense Example, With Redemption, 3 Years
Class A	326	608
Class B	654	999
Class C	254	599
Class F-1	72	349
Class F-2	48	276

For the share classes listed below, you would pay the following if you did not redeem your shares:  

Expense Example, No Redemption American Funds Tax-Exempt Preservation Portfolio (USD $)	Expense Example, No Redemption, 1 Year	Expense Example, No Redemption, 3 Years
Class B	154	599
Class C	154	599

Keep this supplement with your prospectus

[1] Based on estimated amounts for the current fiscal year.

[2] The investment adviser is currently waiving its management fee of .10%. In addition, the investment adviser is currently reimbursing a portion of the other expenses for each share class. This waiver and reimbursement will be in effect through at least December 31, 2013, unless modified or terminated by the fund’s board. The adviser may elect at its discretion to extend, modify or terminate the reimbursement at that time. The waiver may only be modified or terminated with the approval of the fund’s board.

XML

Label

Element

Value

Risk/Return:

rr_RiskReturnAbstract

Prospectus Date

rr_ProspectusDate

Mar. 27, 2012

American Funds Tax-Exempt Preservation Portfolio (Prospectus Summary): | American Funds Tax-Exempt Preservation Portfolio

Risk/Return:

rr_RiskReturnAbstract

Risk/Return, Heading

rr_RiskReturnHeading

American Funds Tax-Exempt Preservation Portfolio  

Supplement Text

ck0001537151_SupplementTextBlock

American Funds Portfolio Series SM
Prospectus Supplement

June 15, 2012

(for prospectus dated March 27, 2012)

The table in the Summary section for the American Funds Tax-Exempt Preservation Portfolio under the heading “Annual fund operating expenses” in the “Fees and expenses of the fund” section of the prospectus is amended in its entirety as follows:

Fee Waiver or Reimbursement over Assets, Date of Termination

rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination

2013-12-31  

Operating Expenses, Caption

rr_OperatingExpensesCaption

Annual fund operating expenses (expenses that you pay each year as a percentage of the value of your investment)

Expense Example, Heading

rr_ExpenseExampleHeading

Example  

Expense Example, Narrative

rr_ExpenseExampleNarrativeTextBlock

The table in the Summary section for the American Funds Tax-Exempt Preservation Portfolio under the heading “Example” in the “Fees and expenses of the fund” section of the prospectus is amended in its entirety as follows:

Expense Example, No Redemption, By Year, Caption

rr_ExpenseExampleNoRedemptionByYearCaption

For the share classes listed below, you would pay the following if you did not redeem your shares:  

Supplement Closing

ck0001537151_SupplementClosingTextBlock

Keep this supplement with your prospectus

American Funds Tax-Exempt Preservation Portfolio | Class A

Risk/Return:

rr_RiskReturnAbstract

Management fees

rr_ManagementFeesOverAssets

0.10%

Distribution and/or service (12b-1) fees

rr_DistributionAndService12b1FeesOverAssets

0.25%

Other expenses

rr_OtherExpensesOverAssets

0.68%

^[1]

Acquired (underlying) fund fees and expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.31%

^[1]

Total annual fund operating expenses

rr_ExpensesOverAssets

1.34%

Fee waiver and/or expense reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.58%)

^[2]

Total annual fund operating expenses after fee waiver and/or expense reimbursement

rr_NetExpensesOverAssets

0.76%

Expense Example, With Redemption, 1 Year

rr_ExpenseExampleYear01

326

Expense Example, With Redemption, 3 Years

rr_ExpenseExampleYear03

608

American Funds Tax-Exempt Preservation Portfolio | Class B

Risk/Return:

rr_RiskReturnAbstract

Management fees

rr_ManagementFeesOverAssets

0.10%

Distribution and/or service (12b-1) fees

rr_DistributionAndService12b1FeesOverAssets

1.00%

Other expenses

rr_OtherExpensesOverAssets

0.68%

^[1]

Acquired (underlying) fund fees and expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.31%

^[1]

Total annual fund operating expenses

rr_ExpensesOverAssets

2.09%

Fee waiver and/or expense reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.58%)

^[2]

Total annual fund operating expenses after fee waiver and/or expense reimbursement

rr_NetExpensesOverAssets

1.51%

Expense Example, With Redemption, 1 Year

rr_ExpenseExampleYear01

654

Expense Example, With Redemption, 3 Years

rr_ExpenseExampleYear03

999

Expense Example, No Redemption, 1 Year

rr_ExpenseExampleNoRedemptionYear01

154

Expense Example, No Redemption, 3 Years

rr_ExpenseExampleNoRedemptionYear03

599

American Funds Tax-Exempt Preservation Portfolio | Class C

Risk/Return:

rr_RiskReturnAbstract

Management fees

rr_ManagementFeesOverAssets

0.10%

Distribution and/or service (12b-1) fees

rr_DistributionAndService12b1FeesOverAssets

1.00%

Other expenses

rr_OtherExpensesOverAssets

0.68%

^[1]

Acquired (underlying) fund fees and expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.31%

^[1]

Total annual fund operating expenses

rr_ExpensesOverAssets

2.09%

Fee waiver and/or expense reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.58%)

^[2]

Total annual fund operating expenses after fee waiver and/or expense reimbursement

rr_NetExpensesOverAssets

1.51%

Expense Example, With Redemption, 1 Year

rr_ExpenseExampleYear01

254

Expense Example, With Redemption, 3 Years

rr_ExpenseExampleYear03

599

Expense Example, No Redemption, 1 Year

rr_ExpenseExampleNoRedemptionYear01

154

Expense Example, No Redemption, 3 Years

rr_ExpenseExampleNoRedemptionYear03

599

American Funds Tax-Exempt Preservation Portfolio | Class F-1

Risk/Return:

rr_RiskReturnAbstract

Management fees

rr_ManagementFeesOverAssets

0.10%

Distribution and/or service (12b-1) fees

rr_DistributionAndService12b1FeesOverAssets

0.25%

Other expenses

rr_OtherExpensesOverAssets

0.62%

^[1]

Acquired (underlying) fund fees and expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.31%

^[1]

Total annual fund operating expenses

rr_ExpensesOverAssets

1.28%

Fee waiver and/or expense reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.58%)

^[2]

Total annual fund operating expenses after fee waiver and/or expense reimbursement

rr_NetExpensesOverAssets

0.70%

Expense Example, With Redemption, 1 Year

rr_ExpenseExampleYear01

72

Expense Example, With Redemption, 3 Years

rr_ExpenseExampleYear03

349

American Funds Tax-Exempt Preservation Portfolio | Class F-2

Risk/Return:

rr_RiskReturnAbstract

Management fees

rr_ManagementFeesOverAssets

0.10%

Distribution and/or service (12b-1) fees

rr_DistributionAndService12b1FeesOverAssets

none

Other expenses

rr_OtherExpensesOverAssets

0.64%

^[1]

Acquired (underlying) fund fees and expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.31%

^[1]

Total annual fund operating expenses

rr_ExpensesOverAssets

1.05%

Fee waiver and/or expense reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.58%)

^[2]

Total annual fund operating expenses after fee waiver and/or expense reimbursement

rr_NetExpensesOverAssets

0.47%

Expense Example, With Redemption, 1 Year

rr_ExpenseExampleYear01

48

Expense Example, With Redemption, 3 Years

rr_ExpenseExampleYear03

276

[1] Based on estimated amounts for the current fiscal year.

[2] The investment adviser is currently waiving its management fee of .10%. In addition, the investment adviser is currently reimbursing a portion of the other expenses for each share class. This waiver and reimbursement will be in effect through at least December 31, 2013, unless modified or terminated by the fund’s board. The adviser may elect at its discretion to extend, modify or terminate the reimbursement at that time. The waiver may only be modified or terminated with the approval of the fund’s board.

XML

American Funds Preservation Portfolio (Prospectus Summary): | American Funds Preservation Portfolio

American Funds Preservation Portfolio  

American Funds Portfolio Series SM
Prospectus Supplement

June 15, 2012

(for prospectus dated March 27, 2012)

The table in the Summary section for the American Funds Preservation Portfolio under the heading “Annual fund operating expenses” in the “Fees and expenses of the fund” section of the prospectus is amended in its entirety as follows:

Annual fund operating expenses (expenses that you pay each year as a percentage of the value of your investment)  

Annual Fund Operating Expenses American Funds Preservation Portfolio		Class A	Class B	Class C	Class F-1	Class F-2	Class 529-A	Class 529-B	Class 529-C	Class 529-E	Class 529-F-1	Class R-1	Class R-2	Class R-3	Class R-4	Class R-5	Class R-6
Management fees		0.10%	0.10%	0.10%	0.10%	0.10%	0.10%	0.10%	0.10%	0.10%	0.10%	0.10%	0.10%	0.10%	0.10%	0.10%	0.10%
Distribution and/or service (12b-1) fees		0.25%	1.00%	1.00%	0.25%	none	0.25%	1.00%	1.00%	0.50%	none	1.00%	0.75%	0.50%	0.25%	none	none
Other expenses	[1]	0.48%	0.48%	0.48%	0.42%	0.44%	0.54%	0.55%	0.54%	0.49%	0.54%	0.40%	0.54%	0.45%	0.40%	0.38%	0.35%
Acquired (underlying) fund fees and expenses	[1]	0.31%	0.31%	0.31%	0.31%	0.31%	0.31%	0.31%	0.31%	0.31%	0.31%	0.31%	0.31%	0.31%	0.31%	0.31%	0.31%
Total annual fund operating expenses		1.14%	1.89%	1.89%	1.08%	0.85%	1.20%	1.96%	1.95%	1.40%	0.95%	1.81%	1.70%	1.36%	1.06%	0.79%	0.76%
Fee waiver and/or expense reimbursement	[2]	0.38%	0.38%	0.38%	0.38%	0.38%	0.38%	0.38%	0.38%	0.38%	0.38%	0.38%	0.38%	0.38%	0.38%	0.38%	0.38%
Total annual fund operating expenses after fee waiver and/or expense reimbursement		0.76%	1.51%	1.51%	0.70%	0.47%	0.82%	1.58%	1.57%	1.02%	0.57%	1.43%	1.32%	0.98%	0.68%	0.41%	0.38%

Example  

The table in the Summary section for the American Funds Preservation Portfolio under the heading “Example” in the “Fees and expenses of the fund” section of the prospectus is amended in its entirety as follows:

Expense Example American Funds Preservation Portfolio (USD $)	Expense Example, With Redemption, 1 Year	Expense Example, With Redemption, 3 Years
Class A	326	566
Class B	654	957
Class C	254	557
Class F-1	72	306
Class F-2	48	233
Class 529-A	351	624
Class 529-B	680	1,017
Class 529-C	279	614
Class 529-E	124	445
Class 529-F-1	78	304
Class R-1	146	533
Class R-2	134	499
Class R-3	100	393
Class R-4	69	299
Class R-5	42	214
Class R-6	39	205

For the share classes listed below, you would pay the following if you did not redeem your shares:  

Expense Example, No Redemption American Funds Preservation Portfolio (USD $)	Expense Example, No Redemption, 1 Year	Expense Example, No Redemption, 3 Years
Class B	154	557
Class C	154	557
Class 529-B	180	617
Class 529-C	179	614

Keep this supplement with your prospectus

[1] Based on estimated amounts for the current fiscal year.

[2] The investment adviser is currently waiving its management fee of .10%. In addition, the investment adviser is currently reimbursing a portion of the other expenses for each share class. This waiver and reimbursement will be in effect through at least December 31, 2013, unless modified or terminated by the fund’s board. The adviser may elect at its discretion to extend, modify or terminate the reimbursement at that time. The waiver may only be modified or terminated with the approval of the fund’s board.

XML

Label	Element	Value
Risk/Return:	rr_RiskReturnAbstract
Document Type	dei_DocumentType	Other
Document Period End Date	dei_DocumentPeriodEndDate	Jun. 13, 2012
Registrant Name	dei_EntityRegistrantName	AMERICAN FUNDS PORTFOLIO SERIES
Central Index Key	dei_EntityCentralIndexKey	0001537151
Amendment Flag	dei_AmendmentFlag	false
Document Creation Date	dei_DocumentCreationDate	Jun. 13, 2012
Document Effective Date	dei_DocumentEffectiveDate	Jun. 13, 2012
Prospectus Date	rr_ProspectusDate	Mar. 27, 2012

XML

Label

Element

Value

Risk/Return:

rr_RiskReturnAbstract

Prospectus Date

rr_ProspectusDate

Mar. 27, 2012

American Funds Preservation Portfolio (Prospectus Summary): | American Funds Preservation Portfolio

Risk/Return:

rr_RiskReturnAbstract

Risk/Return, Heading

rr_RiskReturnHeading

American Funds Preservation Portfolio  

Supplement Text

ck0001537151_SupplementTextBlock

American Funds Portfolio Series SM
Prospectus Supplement

June 15, 2012

(for prospectus dated March 27, 2012)

The table in the Summary section for the American Funds Preservation Portfolio under the heading “Annual fund operating expenses” in the “Fees and expenses of the fund” section of the prospectus is amended in its entirety as follows:

Fee Waiver or Reimbursement over Assets, Date of Termination

rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination

2013-12-31  

Operating Expenses, Caption

rr_OperatingExpensesCaption

Annual fund operating expenses (expenses that you pay each year as a percentage of the value of your investment)  

Expense Example, Heading

rr_ExpenseExampleHeading

Example  

Expense Example, Narrative

rr_ExpenseExampleNarrativeTextBlock

The table in the Summary section for the American Funds Preservation Portfolio under the heading “Example” in the “Fees and expenses of the fund” section of the prospectus is amended in its entirety as follows:

Expense Example, No Redemption, By Year, Caption

rr_ExpenseExampleNoRedemptionByYearCaption

For the share classes listed below, you would pay the following if you did not redeem your shares:  

Supplement Closing

ck0001537151_SupplementClosingTextBlock

Keep this supplement with your prospectus

American Funds Preservation Portfolio | Class A

Risk/Return:

rr_RiskReturnAbstract

Management fees

rr_ManagementFeesOverAssets

0.10%

Distribution and/or service (12b-1) fees

rr_DistributionAndService12b1FeesOverAssets

0.25%

Other expenses

rr_OtherExpensesOverAssets

0.48%

^[1]

Acquired (underlying) fund fees and expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.31%

^[1]

Total annual fund operating expenses

rr_ExpensesOverAssets

1.14%

Fee waiver and/or expense reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.38%)

^[2]

Total annual fund operating expenses after fee waiver and/or expense reimbursement

rr_NetExpensesOverAssets

0.76%

Expense Example, With Redemption, 1 Year

rr_ExpenseExampleYear01

326

Expense Example, With Redemption, 3 Years

rr_ExpenseExampleYear03

566

American Funds Preservation Portfolio | Class B

Risk/Return:

rr_RiskReturnAbstract

Management fees

rr_ManagementFeesOverAssets

0.10%

Distribution and/or service (12b-1) fees

rr_DistributionAndService12b1FeesOverAssets

1.00%

Other expenses

rr_OtherExpensesOverAssets

0.48%

^[1]

Acquired (underlying) fund fees and expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.31%

^[1]

Total annual fund operating expenses

rr_ExpensesOverAssets

1.89%

Fee waiver and/or expense reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.38%)

^[2]

Total annual fund operating expenses after fee waiver and/or expense reimbursement

rr_NetExpensesOverAssets

1.51%

Expense Example, With Redemption, 1 Year

rr_ExpenseExampleYear01

654

Expense Example, With Redemption, 3 Years

rr_ExpenseExampleYear03

957

Expense Example, No Redemption, 1 Year

rr_ExpenseExampleNoRedemptionYear01

154

Expense Example, No Redemption, 3 Years

rr_ExpenseExampleNoRedemptionYear03

557

American Funds Preservation Portfolio | Class C

Risk/Return:

rr_RiskReturnAbstract

Management fees

rr_ManagementFeesOverAssets

0.10%

Distribution and/or service (12b-1) fees

rr_DistributionAndService12b1FeesOverAssets

1.00%

Other expenses

rr_OtherExpensesOverAssets

0.48%

^[1]

Acquired (underlying) fund fees and expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.31%

^[1]

Total annual fund operating expenses

rr_ExpensesOverAssets

1.89%

Fee waiver and/or expense reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.38%)

^[2]

Total annual fund operating expenses after fee waiver and/or expense reimbursement

rr_NetExpensesOverAssets

1.51%

Expense Example, With Redemption, 1 Year

rr_ExpenseExampleYear01

254

Expense Example, With Redemption, 3 Years

rr_ExpenseExampleYear03

557

Expense Example, No Redemption, 1 Year

rr_ExpenseExampleNoRedemptionYear01

154

Expense Example, No Redemption, 3 Years

rr_ExpenseExampleNoRedemptionYear03

557

American Funds Preservation Portfolio | Class F-1

Risk/Return:

rr_RiskReturnAbstract

Management fees

rr_ManagementFeesOverAssets

0.10%

Distribution and/or service (12b-1) fees

rr_DistributionAndService12b1FeesOverAssets

0.25%

Other expenses

rr_OtherExpensesOverAssets

0.42%

^[1]

Acquired (underlying) fund fees and expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.31%

^[1]

Total annual fund operating expenses

rr_ExpensesOverAssets

1.08%

Fee waiver and/or expense reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.38%)

^[2]

Total annual fund operating expenses after fee waiver and/or expense reimbursement

rr_NetExpensesOverAssets

0.70%

Expense Example, With Redemption, 1 Year

rr_ExpenseExampleYear01

72

Expense Example, With Redemption, 3 Years

rr_ExpenseExampleYear03

306

American Funds Preservation Portfolio | Class F-2

Risk/Return:

rr_RiskReturnAbstract

Management fees

rr_ManagementFeesOverAssets

0.10%

Distribution and/or service (12b-1) fees

rr_DistributionAndService12b1FeesOverAssets

none

Other expenses

rr_OtherExpensesOverAssets

0.44%

^[1]

Acquired (underlying) fund fees and expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.31%

^[1]

Total annual fund operating expenses

rr_ExpensesOverAssets

0.85%

Fee waiver and/or expense reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.38%)

^[2]

Total annual fund operating expenses after fee waiver and/or expense reimbursement

rr_NetExpensesOverAssets

0.47%

Expense Example, With Redemption, 1 Year

rr_ExpenseExampleYear01

48

Expense Example, With Redemption, 3 Years

rr_ExpenseExampleYear03

233

American Funds Preservation Portfolio | Class 529-A

Risk/Return:

rr_RiskReturnAbstract

Management fees

rr_ManagementFeesOverAssets

0.10%

Distribution and/or service (12b-1) fees

rr_DistributionAndService12b1FeesOverAssets

0.25%

Other expenses

rr_OtherExpensesOverAssets

0.54%

^[1]

Acquired (underlying) fund fees and expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.31%

^[1]

Total annual fund operating expenses

rr_ExpensesOverAssets

1.20%

Fee waiver and/or expense reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.38%)

^[2]

Total annual fund operating expenses after fee waiver and/or expense reimbursement

rr_NetExpensesOverAssets

0.82%

Expense Example, With Redemption, 1 Year

rr_ExpenseExampleYear01

351

Expense Example, With Redemption, 3 Years

rr_ExpenseExampleYear03

624

American Funds Preservation Portfolio | Class 529-B

Risk/Return:

rr_RiskReturnAbstract

Management fees

rr_ManagementFeesOverAssets

0.10%

Distribution and/or service (12b-1) fees

rr_DistributionAndService12b1FeesOverAssets

1.00%

Other expenses

rr_OtherExpensesOverAssets

0.55%

^[1]

Acquired (underlying) fund fees and expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.31%

^[1]

Total annual fund operating expenses

rr_ExpensesOverAssets

1.96%

Fee waiver and/or expense reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.38%)

^[2]

Total annual fund operating expenses after fee waiver and/or expense reimbursement

rr_NetExpensesOverAssets

1.58%

Expense Example, With Redemption, 1 Year

rr_ExpenseExampleYear01

680

Expense Example, With Redemption, 3 Years

rr_ExpenseExampleYear03

1,017

Expense Example, No Redemption, 1 Year

rr_ExpenseExampleNoRedemptionYear01

180

Expense Example, No Redemption, 3 Years

rr_ExpenseExampleNoRedemptionYear03

617

American Funds Preservation Portfolio | Class 529-C

Risk/Return:

rr_RiskReturnAbstract

Management fees

rr_ManagementFeesOverAssets

0.10%

Distribution and/or service (12b-1) fees

rr_DistributionAndService12b1FeesOverAssets

1.00%

Other expenses

rr_OtherExpensesOverAssets

0.54%

^[1]

Acquired (underlying) fund fees and expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.31%

^[1]

Total annual fund operating expenses

rr_ExpensesOverAssets

1.95%

Fee waiver and/or expense reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.38%)

^[2]

Total annual fund operating expenses after fee waiver and/or expense reimbursement

rr_NetExpensesOverAssets

1.57%

Expense Example, With Redemption, 1 Year

rr_ExpenseExampleYear01

279

Expense Example, With Redemption, 3 Years

rr_ExpenseExampleYear03

614

Expense Example, No Redemption, 1 Year

rr_ExpenseExampleNoRedemptionYear01

179

Expense Example, No Redemption, 3 Years

rr_ExpenseExampleNoRedemptionYear03

614

American Funds Preservation Portfolio | Class 529-E

Risk/Return:

rr_RiskReturnAbstract

Management fees

rr_ManagementFeesOverAssets

0.10%

Distribution and/or service (12b-1) fees

rr_DistributionAndService12b1FeesOverAssets

0.50%

Other expenses

rr_OtherExpensesOverAssets

0.49%

^[1]

Acquired (underlying) fund fees and expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.31%

^[1]

Total annual fund operating expenses

rr_ExpensesOverAssets

1.40%

Fee waiver and/or expense reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.38%)

^[2]

Total annual fund operating expenses after fee waiver and/or expense reimbursement

rr_NetExpensesOverAssets

1.02%

Expense Example, With Redemption, 1 Year

rr_ExpenseExampleYear01

124

Expense Example, With Redemption, 3 Years

rr_ExpenseExampleYear03

445

American Funds Preservation Portfolio | Class 529-F-1

Risk/Return:

rr_RiskReturnAbstract

Management fees

rr_ManagementFeesOverAssets

0.10%

Distribution and/or service (12b-1) fees

rr_DistributionAndService12b1FeesOverAssets

none

Other expenses

rr_OtherExpensesOverAssets

0.54%

^[1]

Acquired (underlying) fund fees and expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.31%

^[1]

Total annual fund operating expenses

rr_ExpensesOverAssets

0.95%

Fee waiver and/or expense reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.38%)

^[2]

Total annual fund operating expenses after fee waiver and/or expense reimbursement

rr_NetExpensesOverAssets

0.57%

Expense Example, With Redemption, 1 Year

rr_ExpenseExampleYear01

78

Expense Example, With Redemption, 3 Years

rr_ExpenseExampleYear03

304

American Funds Preservation Portfolio | Class R-1

Risk/Return:

rr_RiskReturnAbstract

Management fees

rr_ManagementFeesOverAssets

0.10%

Distribution and/or service (12b-1) fees

rr_DistributionAndService12b1FeesOverAssets

1.00%

Other expenses

rr_OtherExpensesOverAssets

0.40%

^[1]

Acquired (underlying) fund fees and expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.31%

^[1]

Total annual fund operating expenses

rr_ExpensesOverAssets

1.81%

Fee waiver and/or expense reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.38%)

^[2]

Total annual fund operating expenses after fee waiver and/or expense reimbursement

rr_NetExpensesOverAssets

1.43%

Expense Example, With Redemption, 1 Year

rr_ExpenseExampleYear01

146

Expense Example, With Redemption, 3 Years

rr_ExpenseExampleYear03

533

American Funds Preservation Portfolio | Class R-2

Risk/Return:

rr_RiskReturnAbstract

Management fees

rr_ManagementFeesOverAssets

0.10%

Distribution and/or service (12b-1) fees

rr_DistributionAndService12b1FeesOverAssets

0.75%

Other expenses

rr_OtherExpensesOverAssets

0.54%

^[1]

Acquired (underlying) fund fees and expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.31%

^[1]

Total annual fund operating expenses

rr_ExpensesOverAssets

1.70%

Fee waiver and/or expense reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.38%)

^[2]

Total annual fund operating expenses after fee waiver and/or expense reimbursement

rr_NetExpensesOverAssets

1.32%

Expense Example, With Redemption, 1 Year

rr_ExpenseExampleYear01

134

Expense Example, With Redemption, 3 Years

rr_ExpenseExampleYear03

499

American Funds Preservation Portfolio | Class R-3

Risk/Return:

rr_RiskReturnAbstract

Management fees

rr_ManagementFeesOverAssets

0.10%

Distribution and/or service (12b-1) fees

rr_DistributionAndService12b1FeesOverAssets

0.50%

Other expenses

rr_OtherExpensesOverAssets

0.45%

^[1]

Acquired (underlying) fund fees and expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.31%

^[1]

Total annual fund operating expenses

rr_ExpensesOverAssets

1.36%

Fee waiver and/or expense reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.38%)

^[2]

Total annual fund operating expenses after fee waiver and/or expense reimbursement

rr_NetExpensesOverAssets

0.98%

Expense Example, With Redemption, 1 Year

rr_ExpenseExampleYear01

100

Expense Example, With Redemption, 3 Years

rr_ExpenseExampleYear03

393

American Funds Preservation Portfolio | Class R-4

Risk/Return:

rr_RiskReturnAbstract

Management fees

rr_ManagementFeesOverAssets

0.10%

Distribution and/or service (12b-1) fees

rr_DistributionAndService12b1FeesOverAssets

0.25%

Other expenses

rr_OtherExpensesOverAssets

0.40%

^[1]

Acquired (underlying) fund fees and expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.31%

^[1]

Total annual fund operating expenses

rr_ExpensesOverAssets

1.06%

Fee waiver and/or expense reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.38%)

^[2]

Total annual fund operating expenses after fee waiver and/or expense reimbursement

rr_NetExpensesOverAssets

0.68%

Expense Example, With Redemption, 1 Year

rr_ExpenseExampleYear01

69

Expense Example, With Redemption, 3 Years

rr_ExpenseExampleYear03

299

American Funds Preservation Portfolio | Class R-5

Risk/Return:

rr_RiskReturnAbstract

Management fees

rr_ManagementFeesOverAssets

0.10%

Distribution and/or service (12b-1) fees

rr_DistributionAndService12b1FeesOverAssets

none

Other expenses

rr_OtherExpensesOverAssets

0.38%

^[1]

Acquired (underlying) fund fees and expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.31%

^[1]

Total annual fund operating expenses

rr_ExpensesOverAssets

0.79%

Fee waiver and/or expense reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.38%)

^[2]

Total annual fund operating expenses after fee waiver and/or expense reimbursement

rr_NetExpensesOverAssets

0.41%

Expense Example, With Redemption, 1 Year

rr_ExpenseExampleYear01

42

Expense Example, With Redemption, 3 Years

rr_ExpenseExampleYear03

214

American Funds Preservation Portfolio | Class R-6

Risk/Return:

rr_RiskReturnAbstract

Management fees

rr_ManagementFeesOverAssets

0.10%

Distribution and/or service (12b-1) fees

rr_DistributionAndService12b1FeesOverAssets

none

Other expenses

rr_OtherExpensesOverAssets

0.35%

^[1]

Acquired (underlying) fund fees and expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.31%

^[1]

Total annual fund operating expenses

rr_ExpensesOverAssets

0.76%

Fee waiver and/or expense reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.38%)

^[2]

Total annual fund operating expenses after fee waiver and/or expense reimbursement

rr_NetExpensesOverAssets

0.38%

Expense Example, With Redemption, 1 Year

rr_ExpenseExampleYear01

39

Expense Example, With Redemption, 3 Years

rr_ExpenseExampleYear03

205

[1] Based on estimated amounts for the current fiscal year.

[2] The investment adviser is currently waiving its management fee of .10%. In addition, the investment adviser is currently reimbursing a portion of the other expenses for each share class. This waiver and reimbursement will be in effect through at least December 31, 2013, unless modified or terminated by the fund’s board. The adviser may elect at its discretion to extend, modify or terminate the reimbursement at that time. The waiver may only be modified or terminated with the approval of the fund’s board.